15730230 has 16 divisors (see below), whose sum is σ = 37752624. Its totient is φ = 4194720.

The previous prime is 15730171. The next prime is 15730249. The reversal of 15730230 is 3203751.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 15730197 and 15730206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262141 + ... + 262200.

It is an arithmetic number, because the mean of its divisors is an integer number (2359539).

Almost surely, 2^15730230 is an apocalyptic number.

15730230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15730230 is an abundant number, since it is smaller than the sum of its proper divisors (22022394).

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

15730230 is a wasteful number, since it uses less digits than its factorization.

15730230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524351.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 15730230 is about 3966.1353985965. The cubic root of 15730230 is about 250.5599714581.

Adding to 15730230 its reverse (3203751), we get a palindrome (18933981).

The spelling of 15730230 in words is "fifteen million, seven hundred thirty thousand, two hundred thirty".