75612424 has 8 divisors (see below), whose sum is σ = 141773310. Its totient is φ = 37806208.

The previous prime is 75612421. The next prime is 75612443. The reversal of 75612424 is 42421657.

It can be written as a sum of positive squares in only one way, i.e., 61308900 + 14303524 = 7830^2 + 3782^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (75612421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4725769 + ... + 4725784.

Almost surely, 2^75612424 is an apocalyptic number.

It is an amenable number.

75612424 is a deficient number, since it is larger than the sum of its proper divisors (66160886).

75612424 is a wasteful number, since it uses less digits than its factorization.

75612424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9451559 (or 9451555 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 75612424 is about 8695.5404662390. The cubic root of 75612424 is about 422.8610855227.

The spelling of 75612424 in words is "seventy-five million, six hundred twelve thousand, four hundred twenty-four".