315272478 has 16 divisors (see below), whose sum is σ = 631345680. Its totient is φ = 104957376.

The previous prime is 315272359. The next prime is 315272479. The reversal of 315272478 is 874272513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315272479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28183 + ... + 37746.

It is an arithmetic number, because the mean of its divisors is an integer number (39459105).

Almost surely, 2^315272478 is an apocalyptic number.

315272478 is an abundant number, since it is smaller than the sum of its proper divisors (316073202).

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

315272478 is a wasteful number, since it uses less digits than its factorization.

315272478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66731.

The product of its digits is 94080, while the sum is 39.

The square root of 315272478 is about 17755.9138880543. The cubic root of 315272478 is about 680.6053418707.

The spelling of 315272478 in words is "three hundred fifteen million, two hundred seventy-two thousand, four hundred seventy-eight".