15675972 has 96 divisors (see below), whose sum is σ = 43690752. Its totient is φ = 4325376.

The previous prime is 15675971. The next prime is 15675973. The reversal of 15675972 is 27957651.

15675972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15675971) and next prime (15675973).

Its product of digits (132300) is a multiple of the sum of its prime divisors (315).

It is not an unprimeable number, because it can be changed into a prime (15675971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60868 + ... + 61124.

It is an arithmetic number, because the mean of its divisors is an integer number (455112).

Almost surely, 2^15675972 is an apocalyptic number.

15675972 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 15675972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21845376).

15675972 is an abundant number, since it is smaller than the sum of its proper divisors (28014780).

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

15675972 is a wasteful number, since it uses less digits than its factorization.

15675972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 315 counting only the distinct ones).

The product of its digits is 132300, while the sum is 42.

The square root of 15675972 is about 3959.2893301703. The cubic root of 15675972 is about 250.2715555901.

The spelling of 15675972 in words is "fifteen million, six hundred seventy-five thousand, nine hundred seventy-two".