76685416 has 32 divisors (see below), whose sum is σ = 148667400. Its totient is φ = 37058560.

The previous prime is 76685407. The next prime is 76685429. The reversal of 76685416 is 61458667.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10588516 + 66096900 = 3254^2 + 8130^2 .

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, 36030 + ... + 38098.

Almost surely, 2^76685416 is an apocalyptic number.

It is an amenable number.

76685416 is a deficient number, since it is larger than the sum of its proper divisors (71981984).

76685416 is a wasteful number, since it uses less digits than its factorization.

76685416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229 (or 2225 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 76685416 is about 8757.0209546398. The cubic root of 76685416 is about 424.8519271938.

The spelling of 76685416 in words is "seventy-six million, six hundred eighty-five thousand, four hundred sixteen".