7638715332 has 72 divisors (see below), whose sum is σ = 21104358912. Its totient is φ = 2319148800.

The previous prime is 7638715327. The next prime is 7638715351. The reversal of 7638715332 is 2335178367.

7638715332 is a `hidden beast` number, since 7 + 638 + 7 + 1 + 5 + 3 + 3 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182344 + ... + 220287.

It is an arithmetic number, because the mean of its divisors is an integer number (293116096).

Almost surely, 2^7638715332 is an apocalyptic number.

It is an amenable number.

7638715332 is an abundant number, since it is smaller than the sum of its proper divisors (13465643580).

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

7638715332 is a wasteful number, since it uses less digits than its factorization.

7638715332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402689 (or 402684 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 7638715332 is about 87399.7444618690. The cubic root of 7638715332 is about 1969.4280019706.

It can be divided in two parts, 76387 and 15332, that added together give a palindrome (91719).

The spelling of 7638715332 in words is "seven billion, six hundred thirty-eight million, seven hundred fifteen thousand, three hundred thirty-two".