15725472 has 72 divisors (see below), whose sum is σ = 48033216. Its totient is φ = 4491648.

The previous prime is 15725467. The next prime is 15725473. The reversal of 15725472 is 27452751.

It is not an unprimeable number, because it can be changed into a prime (15725473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3033 + ... + 6375.

It is an arithmetic number, because the mean of its divisors is an integer number (667128).

Almost surely, 2^15725472 is an apocalyptic number.

15725472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15725472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24016608).

15725472 is an abundant number, since it is smaller than the sum of its proper divisors (32307744).

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

15725472 is a wasteful number, since it uses less digits than its factorization.

15725472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370 (or 3355 counting only the distinct ones).

The product of its digits is 19600, while the sum is 33.

The square root of 15725472 is about 3965.5355249953. The cubic root of 15725472 is about 250.5347062084.

The spelling of 15725472 in words is "fifteen million, seven hundred twenty-five thousand, four hundred seventy-two".