307680812 has 6 divisors (see below), whose sum is σ = 538441428. Its totient is φ = 153840404.

The previous prime is 307680803. The next prime is 307680869. The reversal of 307680812 is 218086703.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38460098 + ... + 38460105.

It is an arithmetic number, because the mean of its divisors is an integer number (89740238).

Almost surely, 2^307680812 is an apocalyptic number.

It is an amenable number.

307680812 is a deficient number, since it is larger than the sum of its proper divisors (230760616).

307680812 is a wasteful number, since it uses less digits than its factorization.

307680812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76920207 (or 76920205 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 307680812 is about 17540.8327054333. The cubic root of 307680812 is about 675.0979735246.

The spelling of 307680812 in words is "three hundred seven million, six hundred eighty thousand, eight hundred twelve".