315194740 has 48 divisors (see below), whose sum is σ = 763991424. Its totient is φ = 106992000.

The previous prime is 315194731. The next prime is 315194771. The reversal of 315194740 is 47491513.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 315194696 and 315194705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2995 + ... + 25285.

It is an arithmetic number, because the mean of its divisors is an integer number (15916488).

Almost surely, 2^315194740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315194740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381995712).

315194740 is an abundant number, since it is smaller than the sum of its proper divisors (448796684).

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

315194740 is a wasteful number, since it uses less digits than its factorization.

315194740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22408 (or 22406 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 315194740 is about 17753.7246796271. The cubic root of 315194740 is about 680.5493974089.

The spelling of 315194740 in words is "three hundred fifteen million, one hundred ninety-four thousand, seven hundred forty".