7315666344 has 192 divisors, whose sum is σ = 23446425600. Its totient is φ = 2017032192.

The previous prime is 7315666343. The next prime is 7315666403. The reversal of 7315666344 is 4436665137.

It is a self number, because there is not a number n which added to its sum of digits gives 7315666344.

It is not an unprimeable number, because it can be changed into a prime (7315666343) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2366752 + ... + 2369840.

It is an arithmetic number, because the mean of its divisors is an integer number (122116800).

Almost surely, 2^7315666344 is an apocalyptic number.

7315666344 is a gapful number since it is divisible by the number (74) 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 7315666344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11723212800).

7315666344 is an abundant number, since it is smaller than the sum of its proper divisors (16130759256).

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

7315666344 is a wasteful number, since it uses less digits than its factorization.

7315666344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272 (or 3265 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 45.

The square root of 7315666344 is about 85531.6686613795. The cubic root of 7315666344 is about 1941.2641302187.

The spelling of 7315666344 in words is "seven billion, three hundred fifteen million, six hundred sixty-six thousand, three hundred forty-four".