75656912 has 10 divisors (see below), whose sum is σ = 146585298. Its totient is φ = 37828448.

The previous prime is 75656891. The next prime is 75656923. The reversal of 75656912 is 21965657.

It can be written as a sum of positive squares in only one way, i.e., 43349056 + 32307856 = 6584^2 + 5684^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 75656912.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2364263 + ... + 2364294.

Almost surely, 2^75656912 is an apocalyptic number.

It is an amenable number.

75656912 is a deficient number, since it is larger than the sum of its proper divisors (70928386).

75656912 is a wasteful number, since it uses less digits than its factorization.

75656912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4728565 (or 4728559 counting only the distinct ones).

The product of its digits is 113400, while the sum is 41.

The square root of 75656912 is about 8698.0981829363. The cubic root of 75656912 is about 422.9440020360.

The spelling of 75656912 in words is "seventy-five million, six hundred fifty-six thousand, nine hundred twelve".