15072804 has 48 divisors (see below), whose sum is σ = 39583040. Its totient is φ = 5021352.

The previous prime is 15072763. The next prime is 15072809. The reversal of 15072804 is 40827051.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (15072809) 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, 7887 + ... + 9609.

Almost surely, 2^15072804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15072804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19791520).

15072804 is an abundant number, since it is smaller than the sum of its proper divisors (24510236).

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

15072804 is an equidigital number, since it uses as much as digits as its factorization.

15072804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748 (or 1728 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 15072804 is about 3882.3709250920. The cubic root of 15072804 is about 247.0195638697.

Adding to 15072804 its reverse (40827051), we get a palindrome (55899855).

It can be divided in two parts, 15072 and 804, that added together give a square (15876 = 126²).

The spelling of 15072804 in words is "fifteen million, seventy-two thousand, eight hundred four".