76664396 has 6 divisors (see below), whose sum is σ = 134162700. Its totient is φ = 38332196.

The previous prime is 76664389. The next prime is 76664437. The reversal of 76664396 is 69346667.

It is a super-2 number, since 2×76664396² = 11754859228089632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76664396.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9583046 + ... + 9583053.

It is an arithmetic number, because the mean of its divisors is an integer number (22360450).

Almost surely, 2^76664396 is an apocalyptic number.

It is an amenable number.

76664396 is a deficient number, since it is larger than the sum of its proper divisors (57498304).

76664396 is a wasteful number, since it uses less digits than its factorization.

76664396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19166103 (or 19166101 counting only the distinct ones).

The product of its digits is 979776, while the sum is 47.

The square root of 76664396 is about 8755.8206925450. The cubic root of 76664396 is about 424.8131053680.

The spelling of 76664396 in words is "seventy-six million, six hundred sixty-four thousand, three hundred ninety-six".