501672172 has 12 divisors (see below), whose sum is σ = 896605920. Its totient is φ = 245499056.

The previous prime is 501672161. The next prime is 501672179. The reversal of 501672172 is 271276105.

It is not an unprimeable number, because it can be changed into a prime (501672179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334047 + ... + 1334422.

It is an arithmetic number, because the mean of its divisors is an integer number (74717160).

Almost surely, 2^501672172 is an apocalyptic number.

It is an amenable number.

501672172 is a deficient number, since it is larger than the sum of its proper divisors (394933748).

501672172 is a wasteful number, since it uses less digits than its factorization.

501672172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668520 (or 2668518 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 501672172 is about 22398.0394677749. The cubic root of 501672172 is about 794.5843439819.

The spelling of 501672172 in words is "five hundred one million, six hundred seventy-two thousand, one hundred seventy-two".