472171605 has 32 divisors (see below), whose sum is σ = 777254016. Its totient is φ = 244629504.

The previous prime is 472171597. The next prime is 472171607. The reversal of 472171605 is 506171274.

It is not a de Polignac number, because 472171605 - 2³ = 472171597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472171607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122589 + ... + 126381.

It is an arithmetic number, because the mean of its divisors is an integer number (24289188).

Almost surely, 2^472171605 is an apocalyptic number.

It is an amenable number.

472171605 is a deficient number, since it is larger than the sum of its proper divisors (305082411).

472171605 is a wasteful number, since it uses less digits than its factorization.

472171605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 472171605 is about 21729.5100036793. The cubic root of 472171605 is about 778.6936301668.

The spelling of 472171605 in words is "four hundred seventy-two million, one hundred seventy-one thousand, six hundred five".