76656425 has 12 divisors (see below), whose sum is σ = 98332620. Its totient is φ = 59209920.

The previous prime is 76656413. The next prime is 76656427. The reversal of 76656425 is 52465667.

It can be written as a sum of positive squares in 6 ways, for example, as 896809 + 75759616 = 947^2 + 8704^2 .

It is not a de Polignac number, because 76656425 - 2⁴ = 76656409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76656427) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 52142 + ... + 53591.

It is an arithmetic number, because the mean of its divisors is an integer number (8194385).

Almost surely, 2^76656425 is an apocalyptic number.

It is an amenable number.

76656425 is a deficient number, since it is larger than the sum of its proper divisors (21676195).

76656425 is a wasteful number, since it uses less digits than its factorization.

76656425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105772 (or 105767 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The square root of 76656425 is about 8755.3654977962. The cubic root of 76656425 is about 424.7983818770.

The spelling of 76656425 in words is "seventy-six million, six hundred fifty-six thousand, four hundred twenty-five".