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74669812 = 2272666779
BaseRepresentation
bin1000111001101…
…01111011110100
312012111121201121
410130311323310
5123103413222
611224233324
71564453150
oct434657364
9165447647
1074669812
1139170598
122100b844
1312615229
149cba060
15684e5c7
hex4735ef4

74669812 has 12 divisors (see below), whose sum is σ = 149339680. Its totient is φ = 32001336.

The previous prime is 74669783. The next prime is 74669863. The reversal of 74669812 is 21896647.

74669812 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1333362 + ... + 1333417.

Almost surely, 274669812 is an apocalyptic number.

It is an amenable number.

74669812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74669812 is a wasteful number, since it uses less digits than its factorization.

74669812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666790 (or 2666788 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 74669812 is about 8641.1695967618. The cubic root of 74669812 is about 421.0965525751.

The spelling of 74669812 in words is "seventy-four million, six hundred sixty-nine thousand, eight hundred twelve".

Divisors: 1 2 4 7 14 28 2666779 5333558 10667116 18667453 37334906 74669812