258672172 has 24 divisors (see below), whose sum is σ = 494463312. Its totient is φ = 117427200.

The previous prime is 258672121. The next prime is 258672209. The reversal of 258672172 is 271276852.

It is a happy number.

258672172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×258672172² = 133822585134395168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35428 + ... + 42100.

It is an arithmetic number, because the mean of its divisors is an integer number (20602638).

Almost surely, 2^258672172 is an apocalyptic number.

258672172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

258672172 is a deficient number, since it is larger than the sum of its proper divisors (235791140).

258672172 is a wasteful number, since it uses less digits than its factorization.

258672172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7569 (or 7567 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 258672172 is about 16083.2885940656. The cubic root of 258672172 is about 637.1620534593.

The spelling of 258672172 in words is "two hundred fifty-eight million, six hundred seventy-two thousand, one hundred seventy-two".