15315074 has 8 divisors (see below), whose sum is σ = 23764860. Its totient is φ = 7393456.

The previous prime is 15315073. The next prime is 15315089. The reversal of 15315074 is 47051351.

It can be written as a sum of positive squares in 2 ways, for example, as 15249025 + 66049 = 3905^2 + 257^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (15315071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131969 + ... + 132084.

Almost surely, 2^15315074 is an apocalyptic number.

15315074 is a deficient number, since it is larger than the sum of its proper divisors (8449786).

15315074 is a wasteful number, since it uses less digits than its factorization.

15315074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264084.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 15315074 is about 3913.4478404599. The cubic root of 15315074 is about 248.3360104612.

The spelling of 15315074 in words is "fifteen million, three hundred fifteen thousand, seventy-four".