315612734 has 4 divisors (see below), whose sum is σ = 473419104. Its totient is φ = 157806366.

The previous prime is 315612709. The next prime is 315612749. The reversal of 315612734 is 437216513.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×315612734² = 199222795725909512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 315612734.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78903182 + ... + 78903185.

It is an arithmetic number, because the mean of its divisors is an integer number (118354776).

Almost surely, 2^315612734 is an apocalyptic number.

315612734 is a deficient number, since it is larger than the sum of its proper divisors (157806370).

315612734 is a wasteful number, since it uses less digits than its factorization.

315612734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157806369.

The product of its digits is 15120, while the sum is 32.

The square root of 315612734 is about 17765.4927879865. The cubic root of 315612734 is about 680.8501003012.

The spelling of 315612734 in words is "three hundred fifteen million, six hundred twelve thousand, seven hundred thirty-four".