75612957 has 16 divisors (see below), whose sum is σ = 121997952. Its totient is φ = 40665600.

The previous prime is 75612907. The next prime is 75613003. The reversal of 75612957 is 75921657.

It is not a de Polignac number, because 75612957 - 2⁶ = 75612893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75612907) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 105544 + ... + 106257.

It is an arithmetic number, because the mean of its divisors is an integer number (7624872).

Almost surely, 2^75612957 is an apocalyptic number.

It is an amenable number.

75612957 is a deficient number, since it is larger than the sum of its proper divisors (46384995).

75612957 is a wasteful number, since it uses less digits than its factorization.

75612957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211828.

The product of its digits is 132300, while the sum is 42.

The square root of 75612957 is about 8695.5711140787. The cubic root of 75612957 is about 422.8620791180.

The spelling of 75612957 in words is "seventy-five million, six hundred twelve thousand, nine hundred fifty-seven".