76909216 has 12 divisors (see below), whose sum is σ = 151415082. Its totient is φ = 38454592.

The previous prime is 76909213. The next prime is 76909229. The reversal of 76909216 is 61290967.

It can be written as a sum of positive squares in only one way, i.e., 54819216 + 22090000 = 7404^2 + 4700^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (76909213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201675 + ... + 1201738.

Almost surely, 2^76909216 is an apocalyptic number.

It is an amenable number.

76909216 is a deficient number, since it is larger than the sum of its proper divisors (74505866).

76909216 is a wasteful number, since it uses less digits than its factorization.

76909216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403423 (or 2403415 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 76909216 is about 8769.7899632773. The cubic root of 76909216 is about 425.2648241077.

The spelling of 76909216 in words is "seventy-six million, nine hundred nine thousand, two hundred sixteen".