315197274 has 64 divisors (see below), whose sum is σ = 747601920. Its totient is φ = 86693760.

The previous prime is 315197269. The next prime is 315197287. The reversal of 315197274 is 472791513.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 302847 + ... + 303885.

It is an arithmetic number, because the mean of its divisors is an integer number (11681280).

Almost surely, 2^315197274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315197274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373800960).

315197274 is an abundant number, since it is smaller than the sum of its proper divisors (432404646).

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

315197274 is a wasteful number, since it uses less digits than its factorization.

315197274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315.

The product of its digits is 52920, while the sum is 39.

The square root of 315197274 is about 17753.7960447900. The cubic root of 315197274 is about 680.5512211571.

The spelling of 315197274 in words is "three hundred fifteen million, one hundred ninety-seven thousand, two hundred seventy-four".