307668672 has 112 divisors (see below), whose sum is σ = 952195200. Its totient is φ = 97148160.

The previous prime is 307668667. The next prime is 307668701. The reversal of 307668672 is 276866703.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28147 + ... + 37517.

Almost surely, 2^307668672 is an apocalyptic number.

307668672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 307668672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (476097600).

307668672 is an abundant number, since it is smaller than the sum of its proper divisors (644526528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

307668672 is a wasteful number, since it uses less digits than its factorization.

307668672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9411 (or 9395 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 307668672 is about 17540.4866523138. The cubic root of 307668672 is about 675.0890944126.

The spelling of 307668672 in words is "three hundred seven million, six hundred sixty-eight thousand, six hundred seventy-two".