315732747 has 32 divisors (see below), whose sum is σ = 489323520. Its totient is φ = 179068320.

The previous prime is 315732733. The next prime is 315732749. The reversal of 315732747 is 747237513.

It is not a de Polignac number, because 315732747 - 2¹⁰ = 315731723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315732749) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49008 + ... + 55074.

It is an arithmetic number, because the mean of its divisors is an integer number (15291360).

Almost surely, 2^315732747 is an apocalyptic number.

315732747 is a deficient number, since it is larger than the sum of its proper divisors (173590773).

315732747 is a wasteful number, since it uses less digits than its factorization.

315732747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6183.

The product of its digits is 123480, while the sum is 39.

The square root of 315732747 is about 17768.8701666707. The cubic root of 315732747 is about 680.9363880198.

The spelling of 315732747 in words is "three hundred fifteen million, seven hundred thirty-two thousand, seven hundred forty-seven".