75317612 has 12 divisors (see below), whose sum is σ = 131869920. Its totient is φ = 37640496.

The previous prime is 75317597. The next prime is 75317657. The reversal of 75317612 is 21671357.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9458 + ... + 15494.

It is an arithmetic number, because the mean of its divisors is an integer number (10989160).

Almost surely, 2^75317612 is an apocalyptic number.

It is an amenable number.

75317612 is a deficient number, since it is larger than the sum of its proper divisors (56552308).

75317612 is a wasteful number, since it uses less digits than its factorization.

75317612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9160 (or 9158 counting only the distinct ones).

The product of its digits is 8820, while the sum is 32.

The square root of 75317612 is about 8678.5720023515. The cubic root of 75317612 is about 422.3107928174.

Adding to 75317612 its reverse (21671357), we get a palindrome (96988969).

The spelling of 75317612 in words is "seventy-five million, three hundred seventeen thousand, six hundred twelve".