77034156 has 48 divisors (see below), whose sum is σ = 184888704. Its totient is φ = 24950016.

The previous prime is 77034149. The next prime is 77034161. The reversal of 77034156 is 65143077.

It is a super-2 number, since 2×77034156² = 11868522381264672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173671 + ... + 174113.

It is an arithmetic number, because the mean of its divisors is an integer number (3851848).

Almost surely, 2^77034156 is an apocalyptic number.

It is an amenable number.

77034156 is an abundant number, since it is smaller than the sum of its proper divisors (107854548).

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

77034156 is a wasteful number, since it uses less digits than its factorization.

77034156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 77034156 is about 8776.9103903367. The cubic root of 77034156 is about 425.4949822271.

The spelling of 77034156 in words is "seventy-seven million, thirty-four thousand, one hundred fifty-six".