15274272 has 48 divisors (see below), whose sum is σ = 43182720. Its totient is φ = 4699392.

The previous prime is 15274261. The next prime is 15274291. The reversal of 15274272 is 27247251.

It is a tau number, because it is divible by the number of its divisors (48).

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, 4872 + ... + 7367.

It is an arithmetic number, because the mean of its divisors is an integer number (899640).

Almost surely, 2^15274272 is an apocalyptic number.

15274272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15274272 is an abundant number, since it is smaller than the sum of its proper divisors (27908448).

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

15274272 is a wasteful number, since it uses less digits than its factorization.

15274272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12265 (or 12257 counting only the distinct ones).

The product of its digits is 7840, while the sum is 30.

The square root of 15274272 is about 3908.2313135228. The cubic root of 15274272 is about 248.1152776594.

The spelling of 15274272 in words is "fifteen million, two hundred seventy-four thousand, two hundred seventy-two".