76680538 has 16 divisors (see below), whose sum is σ = 127536480. Its totient is φ = 34282800.

The previous prime is 76680529. The next prime is 76680563. The reversal of 76680538 is 83508667.

It is a junction number, because it is equal to n+sod(n) for n = 76680494 and 76680503.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 27228 + ... + 29911.

It is an arithmetic number, because the mean of its divisors is an integer number (7971030).

Almost surely, 2^76680538 is an apocalyptic number.

76680538 is a deficient number, since it is larger than the sum of its proper divisors (50855942).

76680538 is a wasteful number, since it uses less digits than its factorization.

76680538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57213.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 76680538 is about 8756.7424308358. The cubic root of 76680538 is about 424.8429186507.

The spelling of 76680538 in words is "seventy-six million, six hundred eighty thousand, five hundred thirty-eight".