76947716 has 12 divisors (see below), whose sum is σ = 138298188. Its totient is φ = 37433952.

The previous prime is 76947707. The next prime is 76947721. The reversal of 76947716 is 61774967.

It can be written as a sum of positive squares in 2 ways, for example, as 62094400 + 14853316 = 7880^2 + 3854^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259811 + ... + 260106.

It is an arithmetic number, because the mean of its divisors is an integer number (11524849).

Almost surely, 2^76947716 is an apocalyptic number.

It is an amenable number.

76947716 is a deficient number, since it is larger than the sum of its proper divisors (61350472).

76947716 is a wasteful number, since it uses less digits than its factorization.

76947716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519958 (or 519956 counting only the distinct ones).

The product of its digits is 444528, while the sum is 47.

The square root of 76947716 is about 8771.9847241089. The cubic root of 76947716 is about 425.3357734050.

The spelling of 76947716 in words is "seventy-six million, nine hundred forty-seven thousand, seven hundred sixteen".