472645668 has 24 divisors (see below), whose sum is σ = 1203098400. Its totient is φ = 143225920.

The previous prime is 472645661. The next prime is 472645739. The reversal of 472645668 is 866546274.

It is not an unprimeable number, because it can be changed into a prime (472645661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1790193 + ... + 1790456.

It is an arithmetic number, because the mean of its divisors is an integer number (50129100).

Almost surely, 2^472645668 is an apocalyptic number.

It is an amenable number.

472645668 is an abundant number, since it is smaller than the sum of its proper divisors (730452732).

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

472645668 is a wasteful number, since it uses less digits than its factorization.

472645668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580667 (or 3580665 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 48.

The square root of 472645668 is about 21740.4155434067. The cubic root of 472645668 is about 778.9541472899.

The spelling of 472645668 in words is "four hundred seventy-two million, six hundred forty-five thousand, six hundred sixty-eight".