15730964 has 6 divisors (see below), whose sum is σ = 27529194. Its totient is φ = 7865480.

The previous prime is 15730943. The next prime is 15730969. The reversal of 15730964 is 46903751.

It can be written as a sum of positive squares in only one way, i.e., 8655364 + 7075600 = 2942^2 + 2660^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15730969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1966367 + ... + 1966374.

It is an arithmetic number, because the mean of its divisors is an integer number (4588199).

Almost surely, 2^15730964 is an apocalyptic number.

It is an amenable number.

15730964 is a deficient number, since it is larger than the sum of its proper divisors (11798230).

15730964 is a wasteful number, since it uses less digits than its factorization.

15730964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932745 (or 3932743 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 15730964 is about 3966.2279309187. The cubic root of 15730964 is about 250.5638685860.

The spelling of 15730964 in words is "fifteen million, seven hundred thirty thousand, nine hundred sixty-four".