15730030 has 16 divisors (see below), whose sum is σ = 28426464. Its totient is φ = 6267040.

The previous prime is 15730021. The next prime is 15730031. The reversal of 15730030 is 3003751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15730031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361 + ... + 5620.

It is an arithmetic number, because the mean of its divisors is an integer number (1776654).

Almost surely, 2^15730030 is an apocalyptic number.

15730030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15730030 is a deficient number, since it is larger than the sum of its proper divisors (12696434).

15730030 is a wasteful number, since it uses less digits than its factorization.

15730030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6251.

The product of its (nonzero) digits is 315, while the sum is 19.

The square root of 15730030 is about 3966.1101850554. The cubic root of 15730030 is about 250.5589095493.

Adding to 15730030 its reverse (3003751), we get a palindrome (18733781).

The spelling of 15730030 in words is "fifteen million, seven hundred thirty thousand, thirty".