315506740 has 24 divisors (see below), whose sum is σ = 701539272. Its totient is φ = 118778880.

The previous prime is 315506717. The next prime is 315506743. The reversal of 315506740 is 47605513.

It can be written as a sum of positive squares in 4 ways, for example, as 21178404 + 294328336 = 4602^2 + 17156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315506743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463641 + ... + 464320.

It is an arithmetic number, because the mean of its divisors is an integer number (29230803).

Almost surely, 2^315506740 is an apocalyptic number.

It is an amenable number.

315506740 is an abundant number, since it is smaller than the sum of its proper divisors (386032532).

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

315506740 is a wasteful number, since it uses less digits than its factorization.

315506740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927987 (or 927985 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 315506740 is about 17762.5093947899. The cubic root of 315506740 is about 680.7738738609.

The spelling of 315506740 in words is "three hundred fifteen million, five hundred six thousand, seven hundred forty".