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74922944 = 261768863
BaseRepresentation
bin1000111011100…
…11101111000000
312012222110221212
410131303233000
5123140013234
611233505252
71566556145
oct435635700
9165873855
1074922944
1139323798
1221112228
13126a3505
149d443cc
15689e5ce
hex4773bc0

74922944 has 28 divisors (see below), whose sum is σ = 157423104. Its totient is φ = 35257344.

The previous prime is 74922943. The next prime is 74922977. The reversal of 74922944 is 44922947.

It is a super-2 number, since 2×749229442 = 11226895075254272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74922943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33344 + ... + 35519.

Almost surely, 274922944 is an apocalyptic number.

It is an amenable number.

74922944 is an abundant number, since it is smaller than the sum of its proper divisors (82500160).

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

74922944 is a wasteful number, since it uses less digits than its factorization.

74922944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68892 (or 68882 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 74922944 is about 8655.8040643259. The cubic root of 74922944 is about 421.5718575000.

The spelling of 74922944 in words is "seventy-four million, nine hundred twenty-two thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 17 32 34 64 68 136 272 544 1088 68863 137726 275452 550904 1101808 1170671 2203616 2341342 4407232 4682684 9365368 18730736 37461472 74922944