315772 has 12 divisors (see below), whose sum is σ = 559440. Its totient is φ = 155936.

The previous prime is 315751. The next prime is 315779. The reversal of 315772 is 277513.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315779) 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, 88 + ... + 799.

It is an arithmetic number, because the mean of its divisors is an integer number (46620).

2³¹⁵⁷⁷² is an apocalyptic number.

It is an amenable number.

315772 is a deficient number, since it is larger than the sum of its proper divisors (243668).

315772 is a wasteful number, since it uses less digits than its factorization.

315772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980 (or 978 counting only the distinct ones).

The product of its digits is 1470, while the sum is 25.

The square root of 315772 is about 561.9359394095. The cubic root of 315772 is about 68.0964605649.

The spelling of 315772 in words is "three hundred fifteen thousand, seven hundred seventy-two".