77494056 has 32 divisors (see below), whose sum is σ = 197393760. Its totient is φ = 25343552.

The previous prime is 77494049. The next prime is 77494063. The reversal of 77494056 is 65049477.

It is an interprime number because it is at equal distance from previous prime (77494049) and next prime (77494063).

It is a super-2 number, since 2×77494056² = 12010657430662272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77493999 and 77494017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29190 + ... + 31733.

It is an arithmetic number, because the mean of its divisors is an integer number (6168555).

Almost surely, 2^77494056 is an apocalyptic number.

It is an amenable number.

77494056 is an abundant number, since it is smaller than the sum of its proper divisors (119899704).

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

77494056 is a wasteful number, since it uses less digits than its factorization.

77494056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60985 (or 60981 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 77494056 is about 8803.0708278418. The cubic root of 77494056 is about 426.3400489712.

It can be divided in two parts, 774 and 94056, that added together give a triangular number (94830 = T₄₃₅).

The spelling of 77494056 in words is "seventy-seven million, four hundred ninety-four thousand, fifty-six".