7315947512 has 16 divisors (see below), whose sum is σ = 13718905200. Its totient is φ = 3657572800.

The previous prime is 7315947503. The next prime is 7315947547. The reversal of 7315947512 is 2157495137.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36164 + ... + 126252.

It is an arithmetic number, because the mean of its divisors is an integer number (857431575).

Almost surely, 2^7315947512 is an apocalyptic number.

It is an amenable number.

7315947512 is a deficient number, since it is larger than the sum of its proper divisors (6402957688).

7315947512 is a wasteful number, since it uses less digits than its factorization.

7315947512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100246 (or 100242 counting only the distinct ones).

The product of its digits is 264600, while the sum is 44.

The square root of 7315947512 is about 85533.3122940998. The cubic root of 7315947512 is about 1941.2889998767.

The spelling of 7315947512 in words is "seven billion, three hundred fifteen million, nine hundred forty-seven thousand, five hundred twelve".