254172972 has 12 divisors (see below), whose sum is σ = 593070296. Its totient is φ = 84724320.

The previous prime is 254172929. The next prime is 254172973. The reversal of 254172972 is 279271452.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 254172972.

It is not an unprimeable number, because it can be changed into a prime (254172973) 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, 10590529 + ... + 10590552.

Almost surely, 2^254172972 is an apocalyptic number.

It is an amenable number.

254172972 is an abundant number, since it is smaller than the sum of its proper divisors (338897324).

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

254172972 is a wasteful number, since it uses less digits than its factorization.

254172972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21181088 (or 21181086 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 254172972 is about 15942.8031412296. The cubic root of 254172972 is about 633.4462785333.

The spelling of 254172972 in words is "two hundred fifty-four million, one hundred seventy-two thousand, nine hundred seventy-two".