7315637472 has 768 divisors, whose sum is σ = 27494691840. Its totient is φ = 1881169920.

The previous prime is 7315637449. The next prime is 7315637477. The reversal of 7315637472 is 2747365137.

7315637472 is a `hidden beast` number, since 7 + 3 + 1 + 5 + 637 + 4 + 7 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7315637477) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 170131083 + ... + 170131125.

It is an arithmetic number, because the mean of its divisors is an integer number (35800380).

Almost surely, 2^7315637472 is an apocalyptic number.

7315637472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7315637472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13747345920).

7315637472 is an abundant number, since it is smaller than the sum of its proper divisors (20179054368).

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

7315637472 is a wasteful number, since it uses less digits than its factorization.

7315637472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 89 counting only the distinct ones).

The product of its digits is 740880, while the sum is 45.

The square root of 7315637472 is about 85531.4998816226. The cubic root of 7315637472 is about 1941.2615764184.

The spelling of 7315637472 in words is "seven billion, three hundred fifteen million, six hundred thirty-seven thousand, four hundred seventy-two".