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74849474 = 2719475987
BaseRepresentation
bin1000111011000…
…01110011000010
312012211202011202
410131201303002
5123130140344
611232141202
71566132020
oct435416302
9165752152
1074849474
1139283577
1221097802
1312678c3b
149d25710
15688794e
hex4761cc2

74849474 has 32 divisors (see below), whose sum is σ = 137963520. Its totient is φ = 29738448.

The previous prime is 74849471. The next prime is 74849479. The reversal of 74849474 is 47494847.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (74849471) 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, 9509 + ... + 15495.

It is an arithmetic number, because the mean of its divisors is an integer number (4311360).

Almost surely, 274849474 is an apocalyptic number.

74849474 is a deficient number, since it is larger than the sum of its proper divisors (63114046).

74849474 is a wasteful number, since it uses less digits than its factorization.

74849474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6062.

The product of its digits is 903168, while the sum is 47.

The square root of 74849474 is about 8651.5590502522. The cubic root of 74849474 is about 421.4340135930.

The spelling of 74849474 in words is "seventy-four million, eight hundred forty-nine thousand, four hundred seventy-four".

Divisors: 1 2 7 14 19 38 47 94 133 266 329 658 893 1786 5987 6251 11974 12502 41909 83818 113753 227506 281389 562778 796271 1592542 1969723 3939446 5346391 10692782 37424737 74849474