15725073 has 16 divisors (see below), whose sum is σ = 25805696. Its totient is φ = 8294400.

The previous prime is 15725071. The next prime is 15725107. The reversal of 15725073 is 37052751.

It is not a de Polignac number, because 15725073 - 2¹ = 15725071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15725073.

It is not an unprimeable number, because it can be changed into a prime (15725071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28528 + ... + 29073.

It is an arithmetic number, because the mean of its divisors is an integer number (1612856).

Almost surely, 2^15725073 is an apocalyptic number.

15725073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

15725073 is a deficient number, since it is larger than the sum of its proper divisors (10080623).

15725073 is a wasteful number, since it uses less digits than its factorization.

15725073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57624.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 15725073 is about 3965.4852162125. The cubic root of 15725073 is about 250.5325872642.

The spelling of 15725073 in words is "fifteen million, seven hundred twenty-five thousand, seventy-three".