7315458816 has 72 divisors (see below), whose sum is σ = 19659028480. Its totient is φ = 2414785536.

The previous prime is 7315458791. The next prime is 7315458847. The reversal of 7315458816 is 6188545137.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32865 + ... + 125343.

Almost surely, 2^7315458816 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 7315458816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9829514240).

7315458816 is an abundant number, since it is smaller than the sum of its proper divisors (12343569664).

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

7315458816 is a wasteful number, since it uses less digits than its factorization.

7315458816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92601 (or 92587 counting only the distinct ones).

The product of its digits is 806400, while the sum is 48.

The square root of 7315458816 is about 85530.4554880892. The cubic root of 7315458816 is about 1941.2457737012.

The spelling of 7315458816 in words is "seven billion, three hundred fifteen million, four hundred fifty-eight thousand, eight hundred sixteen".