8940172473 has 72 divisors (see below), whose sum is σ = 14218293600. Its totient is φ = 5549941584.

The previous prime is 8940172457. The next prime is 8940172499. The reversal of 8940172473 is 3742710498.

8940172473 is a `hidden beast` number, since 8 + 9 + 4 + 0 + 172 + 473 = 666.

It is not a de Polignac number, because 8940172473 - 2⁴ = 8940172457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8940172433) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 86797740 + ... + 86797842.

It is an arithmetic number, because the mean of its divisors is an integer number (197476300).

Almost surely, 2^8940172473 is an apocalyptic number.

It is an amenable number.

8940172473 is a deficient number, since it is larger than the sum of its proper divisors (5278121127).

8940172473 is a wasteful number, since it uses less digits than its factorization.

8940172473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 8940172473 is about 94552.4852819851. The cubic root of 8940172473 is about 2075.4644509663.

The spelling of 8940172473 in words is "eight billion, nine hundred forty million, one hundred seventy-two thousand, four hundred seventy-three".