7645164 has 12 divisors (see below), whose sum is σ = 17838744. Its totient is φ = 2548384.

The previous prime is 7645159. The next prime is 7645171. The reversal of 7645164 is 4615467.

It is a tau number, because it is divible by the number of its divisors (12).

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, 318537 + ... + 318560.

It is an arithmetic number, because the mean of its divisors is an integer number (1486562).

Almost surely, 2^7645164 is an apocalyptic number.

It is an amenable number.

7645164 is an abundant number, since it is smaller than the sum of its proper divisors (10193580).

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

7645164 is a wasteful number, since it uses less digits than its factorization.

7645164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637104 (or 637102 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 7645164 is about 2764.9889692366. The cubic root of 7645164 is about 196.9982048674.

The spelling of 7645164 in words is "seven million, six hundred forty-five thousand, one hundred sixty-four".