407671312 has 20 divisors (see below), whose sum is σ = 790731756. Its totient is φ = 203611520.

The previous prime is 407671267. The next prime is 407671333. The reversal of 407671312 is 213176704.

It can be written as a sum of positive squares in 2 ways, for example, as 299843856 + 107827456 = 17316^2 + 10384^2 .

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, 1518 + ... + 28594.

Almost surely, 2^407671312 is an apocalyptic number.

It is an amenable number.

407671312 is a deficient number, since it is larger than the sum of its proper divisors (383060444).

407671312 is a wasteful number, since it uses less digits than its factorization.

407671312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28026 (or 28020 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 407671312 is about 20190.8719970189. The cubic root of 407671312 is about 741.4867310046.

The spelling of 407671312 in words is "four hundred seven million, six hundred seventy-one thousand, three hundred twelve".