77312696 has 16 divisors (see below), whose sum is σ = 145054800. Its totient is φ = 38631424.

The previous prime is 77312689. The next prime is 77312699. The reversal of 77312696 is 69621377.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77312699) 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, 21560 + ... + 24888.

It is an arithmetic number, because the mean of its divisors is an integer number (9065925).

Almost surely, 2^77312696 is an apocalyptic number.

It is an amenable number.

77312696 is a deficient number, since it is larger than the sum of its proper divisors (67742104).

77312696 is a wasteful number, since it uses less digits than its factorization.

77312696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6238 (or 6234 counting only the distinct ones).

The product of its digits is 95256, while the sum is 41.

The square root of 77312696 is about 8792.7638430701. The cubic root of 77312696 is about 426.0072000958.

The spelling of 77312696 in words is "seventy-seven million, three hundred twelve thousand, six hundred ninety-six".