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74660994 = 23319531373
BaseRepresentation
bin1000111001100…
…11110010000010
312012111011122000
410130303302002
5123103122434
611224124430
71564415352
oct434636202
9165434560
1074660994
1139164a01
1221006716
1312611205
149cb6b62
15684bb99
hex4733c82

74660994 has 64 divisors (see below), whose sum is σ = 178070400. Its totient is φ = 23115456.

The previous prime is 74660977. The next prime is 74661007. The reversal of 74660994 is 49906647.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53692 + ... + 55064.

It is an arithmetic number, because the mean of its divisors is an integer number (2782350).

Almost surely, 274660994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74660994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89035200).

74660994 is an abundant number, since it is smaller than the sum of its proper divisors (103409406).

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

74660994 is a wasteful number, since it uses less digits than its factorization.

74660994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456 (or 1450 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 74660994 is about 8640.6593498413. The cubic root of 74660994 is about 421.0799757039.

The spelling of 74660994 in words is "seventy-four million, six hundred sixty thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 9 18 19 27 38 53 54 57 106 114 159 171 318 342 477 513 954 1007 1026 1373 1431 2014 2746 2862 3021 4119 6042 8238 9063 12357 18126 24714 26087 27189 37071 52174 54378 72769 74142 78261 145538 156522 218307 234783 436614 469566 654921 704349 1309842 1382611 1408698 1964763 2765222 3929526 4147833 8295666 12443499 24886998 37330497 74660994