76402668 has 12 divisors (see below), whose sum is σ = 178272920. Its totient is φ = 25467552.

The previous prime is 76402661. The next prime is 76402679. The reversal of 76402668 is 86620467.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (76402661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3183433 + ... + 3183456.

Almost surely, 2^76402668 is an apocalyptic number.

It is an amenable number.

76402668 is an abundant number, since it is smaller than the sum of its proper divisors (101870252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76402668 is a wasteful number, since it uses less digits than its factorization.

76402668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6366896 (or 6366894 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 76402668 is about 8740.8619712246. The cubic root of 76402668 is about 424.3291247207.

The spelling of 76402668 in words is "seventy-six million, four hundred two thousand, six hundred sixty-eight".