15630790 has 32 divisors (see below), whose sum is σ = 32845824. Its totient is φ = 5244000.

The previous prime is 15630781. The next prime is 15630793. The reversal of 15630790 is 9703651.

15630790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15630793) 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, 915 + ... + 5665.

It is an arithmetic number, because the mean of its divisors is an integer number (1026432).

Almost surely, 2^15630790 is an apocalyptic number.

15630790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15630790 is an abundant number, since it is smaller than the sum of its proper divisors (17215034).

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

15630790 is a wasteful number, since it uses less digits than its factorization.

15630790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4812.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 15630790 is about 3953.5793908811. The cubic root of 15630790 is about 250.0308761865.

The spelling of 15630790 in words is "fifteen million, six hundred thirty thousand, seven hundred ninety".