472578945 has 16 divisors (see below), whose sum is σ = 757064832. Its totient is φ = 251729280.

The previous prime is 472578943. The next prime is 472578947. The reversal of 472578945 is 549875274.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (472578943) and next prime (472578947).

It is not a de Polignac number, because 472578945 - 2¹ = 472578943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (472578943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6796 + ... + 31485.

It is an arithmetic number, because the mean of its divisors is an integer number (47316552).

Almost surely, 2^472578945 is an apocalyptic number.

It is an amenable number.

472578945 is a deficient number, since it is larger than the sum of its proper divisors (284485887).

472578945 is a wasteful number, since it uses less digits than its factorization.

472578945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39112.

The product of its digits is 2822400, while the sum is 51.

The square root of 472578945 is about 21738.8809509597. The cubic root of 472578945 is about 778.9174907929.

The spelling of 472578945 in words is "four hundred seventy-two million, five hundred seventy-eight thousand, nine hundred forty-five".