76566416 has 10 divisors (see below), whose sum is σ = 148347462. Its totient is φ = 38283200.

The previous prime is 76566377. The next prime is 76566437. The reversal of 76566416 is 61466567.

It can be written as a sum of positive squares in only one way, i.e., 74304400 + 2262016 = 8620^2 + 1504^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2392685 + ... + 2392716.

Almost surely, 2^76566416 is an apocalyptic number.

It is an amenable number.

76566416 is a deficient number, since it is larger than the sum of its proper divisors (71781046).

76566416 is a wasteful number, since it uses less digits than its factorization.

76566416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785409 (or 4785403 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 76566416 is about 8750.2237685673. The cubic root of 76566416 is about 424.6320524723.

It can be divided in two parts, 765 and 66416, that multiplied together give a triangular number (50808240 = T₁₀₀₈₀).

The spelling of 76566416 in words is "seventy-six million, five hundred sixty-six thousand, four hundred sixteen".