315739474 has 4 divisors (see below), whose sum is σ = 473609214. Its totient is φ = 157869736.

The previous prime is 315739451. The next prime is 315739481. The reversal of 315739474 is 474937513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 474937513 = 37 ⋅12836149.

It can be written as a sum of positive squares in only one way, i.e., 272745225 + 42994249 = 16515^2 + 6557^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 315739474.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78934867 + ... + 78934870.

Almost surely, 2^315739474 is an apocalyptic number.

315739474 is a deficient number, since it is larger than the sum of its proper divisors (157869740).

315739474 is a wasteful number, since it uses less digits than its factorization.

315739474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157869739.

The product of its digits is 317520, while the sum is 43.

The square root of 315739474 is about 17769.0594573827. The cubic root of 315739474 is about 680.9412239943.

The spelling of 315739474 in words is "three hundred fifteen million, seven hundred thirty-nine thousand, four hundred seventy-four".