7645336172 has 12 divisors (see below), whose sum is σ = 13540535736. Its totient is φ = 3776611680.

The previous prime is 7645336151. The next prime is 7645336177. The reversal of 7645336172 is 2716335467.

It is a super-2 number, since 2×7645336172² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7645336177) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11513729 + ... + 11514392.

It is an arithmetic number, because the mean of its divisors is an integer number (1128377978).

Almost surely, 2^7645336172 is an apocalyptic number.

It is an amenable number.

7645336172 is a deficient number, since it is larger than the sum of its proper divisors (5895199564).

7645336172 is a wasteful number, since it uses less digits than its factorization.

7645336172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23028208 (or 23028206 counting only the distinct ones).

The product of its digits is 635040, while the sum is 44.

The square root of 7645336172 is about 87437.6130278040. The cubic root of 7645336172 is about 1969.9968368111.

The spelling of 7645336172 in words is "seven billion, six hundred forty-five million, three hundred thirty-six thousand, one hundred seventy-two".