472906215 has 16 divisors (see below), whose sum is σ = 840722400. Its totient is φ = 252216576.

The previous prime is 472906211. The next prime is 472906223. The reversal of 472906215 is 512609274.

472906215 is a `hidden beast` number, since 4 + 7 + 29 + 0 + 621 + 5 = 666.

It is not a de Polignac number, because 472906215 - 2² = 472906211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 472906215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472906211) 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, 1751370 + ... + 1751639.

It is an arithmetic number, because the mean of its divisors is an integer number (52545150).

Almost surely, 2^472906215 is an apocalyptic number.

472906215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

472906215 is a deficient number, since it is larger than the sum of its proper divisors (367816185).

472906215 is a wasteful number, since it uses less digits than its factorization.

472906215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503023 (or 3503017 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 472906215 is about 21746.4069445966. The cubic root of 472906215 is about 779.0972544125.

The spelling of 472906215 in words is "four hundred seventy-two million, nine hundred six thousand, two hundred fifteen".