407672672 has 24 divisors (see below), whose sum is σ = 875570472. Its totient is φ = 185305600.

The previous prime is 407672659. The next prime is 407672729. The reversal of 407672672 is 276276704.

It is a congruent number.

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, 578729 + ... + 579432.

It is an arithmetic number, because the mean of its divisors is an integer number (36482103).

Almost surely, 2^407672672 is an apocalyptic number.

It is an amenable number.

407672672 is an abundant number, since it is smaller than the sum of its proper divisors (467897800).

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

407672672 is a wasteful number, since it uses less digits than its factorization.

407672672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158182 (or 1158174 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 41.

The square root of 407672672 is about 20190.9056755758. The cubic root of 407672672 is about 741.4875555421.

The spelling of 407672672 in words is "four hundred seven million, six hundred seventy-two thousand, six hundred seventy-two".