7613664 has 24 divisors (see below), whose sum is σ = 19986120. Its totient is φ = 2537856.

The previous prime is 7613653. The next prime is 7613677. The reversal of 7613664 is 4663167.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 39559 + ... + 39750.

It is an arithmetic number, because the mean of its divisors is an integer number (832755).

Almost surely, 2^7613664 is an apocalyptic number.

It is an amenable number.

7613664 is an abundant number, since it is smaller than the sum of its proper divisors (12372456).

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

7613664 is a wasteful number, since it uses less digits than its factorization.

7613664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79322 (or 79314 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 7613664 is about 2759.2868643909. The cubic root of 7613664 is about 196.7272716919.

The spelling of 7613664 in words is "seven million, six hundred thirteen thousand, six hundred sixty-four".