76718216 has 32 divisors (see below), whose sum is σ = 149597280. Its totient is φ = 36854400.

The previous prime is 76718183. The next prime is 76718221. The reversal of 76718216 is 61281767.

It is a self number, because there is not a number n which added to its sum of digits gives 76718216.

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, 20231 + ... + 23721.

It is an arithmetic number, because the mean of its divisors is an integer number (4674915).

Almost surely, 2^76718216 is an apocalyptic number.

It is an amenable number.

76718216 is a deficient number, since it is larger than the sum of its proper divisors (72879064).

76718216 is a wasteful number, since it uses less digits than its factorization.

76718216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3605 (or 3601 counting only the distinct ones).

The product of its digits is 28224, while the sum is 38.

The square root of 76718216 is about 8758.8935374281. The cubic root of 76718216 is about 424.9124913255.

The spelling of 76718216 in words is "seventy-six million, seven hundred eighteen thousand, two hundred sixteen".