15075972 has 36 divisors (see below), whose sum is σ = 38998960. Its totient is φ = 4907952.

The previous prime is 15075959. The next prime is 15075989. The reversal of 15075972 is 27957051.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3322 + ... + 6417.

Almost surely, 2^15075972 is an apocalyptic number.

15075972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15075972 is an abundant number, since it is smaller than the sum of its proper divisors (23922988).

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

15075972 is a wasteful number, since it uses less digits than its factorization.

15075972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9792 (or 9787 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 15075972 is about 3882.7789017661. The cubic root of 15075972 is about 247.0368688374.

The spelling of 15075972 in words is "fifteen million, seventy-five thousand, nine hundred seventy-two".