76520012 has 12 divisors (see below), whose sum is σ = 134023680. Its totient is φ = 38227536.

The previous prime is 76519999. The next prime is 76520029. The reversal of 76520012 is 21002567.

It is a self number, because there is not a number n which added to its sum of digits gives 76520012.

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, 2363 + ... + 12594.

It is an arithmetic number, because the mean of its divisors is an integer number (11168640).

Almost surely, 2^76520012 is an apocalyptic number.

It is an amenable number.

76520012 is a deficient number, since it is larger than the sum of its proper divisors (57503668).

76520012 is a wasteful number, since it uses less digits than its factorization.

76520012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16240 (or 16238 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 76520012 is about 8747.5717773563. The cubic root of 76520012 is about 424.5462506771.

Adding to 76520012 its reverse (21002567), we get a palindrome (97522579).

The spelling of 76520012 in words is "seventy-six million, five hundred twenty thousand, twelve".