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74675472 = 24319372213
BaseRepresentation
bin1000111001101…
…11010100010000
312012111220111020
410130313110100
5123104103342
611224315440
71564505514
oct434672420
9165456436
1074675472
1139174873
1221012b80
1312617991
149cbc144
1568510ec
hex4737510

74675472 has 80 divisors (see below), whose sum is σ = 208647360. Its totient is φ = 22934016.

The previous prime is 74675467. The next prime is 74675479. The reversal of 74675472 is 27457647.

It is a super-2 number, since 2×746754722 = 11152852236845568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74675479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32638 + ... + 34850.

It is an arithmetic number, because the mean of its divisors is an integer number (2608092).

Almost surely, 274675472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74675472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104323680).

74675472 is an abundant number, since it is smaller than the sum of its proper divisors (133971888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74675472 is a wasteful number, since it uses less digits than its factorization.

74675472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280 (or 2274 counting only the distinct ones).

The product of its digits is 329280, while the sum is 42.

The square root of 74675472 is about 8641.4970925182. The cubic root of 74675472 is about 421.1071920656.

The spelling of 74675472 in words is "seventy-four million, six hundred seventy-five thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 19 24 37 38 48 57 74 76 111 114 148 152 222 228 296 304 444 456 592 703 888 912 1406 1776 2109 2213 2812 4218 4426 5624 6639 8436 8852 11248 13278 16872 17704 26556 33744 35408 42047 53112 81881 84094 106224 126141 163762 168188 245643 252282 327524 336376 491286 504564 655048 672752 982572 1009128 1310096 1555739 1965144 2018256 3111478 3930288 4667217 6222956 9334434 12445912 18668868 24891824 37337736 74675472