77367056 has 20 divisors (see below), whose sum is σ = 161429772. Its totient is φ = 35707776.

The previous prime is 77367053. The next prime is 77367061. The reversal of 77367056 is 65076377.

It can be written as a sum of positive squares in 2 ways, for example, as 32262400 + 45104656 = 5680^2 + 6716^2 .

It is a super-2 number, since 2×77367056² = 11971322708214272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77367053) 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, 185771 + ... + 186186.

Almost surely, 2^77367056 is an apocalyptic number.

It is an amenable number.

77367056 is an abundant number, since it is smaller than the sum of its proper divisors (84062716).

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

77367056 is a wasteful number, since it uses less digits than its factorization.

77367056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371978 (or 371972 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 41.

The square root of 77367056 is about 8795.8544781050. The cubic root of 77367056 is about 426.1070212427.

The spelling of 77367056 in words is "seventy-seven million, three hundred sixty-seven thousand, fifty-six".