2172470634 has 24 divisors (see below), whose sum is σ = 4709184480. Its totient is φ = 723823848.

The previous prime is 2172470633. The next prime is 2172470693. The reversal of 2172470634 is 4360742712.

2172470634 is a `hidden beast` number, since 2 + 17 + 2 + 4 + 7 + 0 + 634 = 666.

It is not an unprimeable number, because it can be changed into a prime (2172470633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14187 + ... + 67425.

It is an arithmetic number, because the mean of its divisors is an integer number (196216020).

Almost surely, 2^2172470634 is an apocalyptic number.

2172470634 is an abundant number, since it is smaller than the sum of its proper divisors (2536713846).

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

2172470634 is a wasteful number, since it uses less digits than its factorization.

2172470634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55514 (or 55511 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 2172470634 is about 46609.7697269575. The cubic root of 2172470634 is about 1295.1437423862.

The spelling of 2172470634 in words is "two billion, one hundred seventy-two million, four hundred seventy thousand, six hundred thirty-four".