77213676 has 24 divisors (see below), whose sum is σ = 180429760. Its totient is φ = 25700112.

The previous prime is 77213671. The next prime is 77213683. The reversal of 77213676 is 67631277.

It is a super-2 number, since 2×77213676² = 11923903522865952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77213671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4515 + ... + 13221.

Almost surely, 2^77213676 is an apocalyptic number.

It is an amenable number.

77213676 is an abundant number, since it is smaller than the sum of its proper divisors (103216084).

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

77213676 is a wasteful number, since it uses less digits than its factorization.

77213676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9453 (or 9451 counting only the distinct ones).

The product of its digits is 74088, while the sum is 39.

The square root of 77213676 is about 8787.1312724916. The cubic root of 77213676 is about 425.8252495796.

The spelling of 77213676 in words is "seventy-seven million, two hundred thirteen thousand, six hundred seventy-six".