7654664 has 16 divisors (see below), whose sum is σ = 14409900. Its totient is φ = 3812032.

The previous prime is 7654649. The next prime is 7654679. The reversal of 7654664 is 4664567.

It is an interprime number because it is at equal distance from previous prime (7654649) and next prime (7654679).

It can be written as a sum of positive squares in 2 ways, for example, as 6041764 + 1612900 = 2458^2 + 1270^2 .

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, 374 + ... + 3930.

Almost surely, 2^7654664 is an apocalyptic number.

It is an amenable number.

7654664 is a deficient number, since it is larger than the sum of its proper divisors (6755236).

7654664 is a wasteful number, since it uses less digits than its factorization.

7654664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3832 (or 3828 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 7654664 is about 2766.7063450970. The cubic root of 7654664 is about 197.0797687729.

The spelling of 7654664 in words is "seven million, six hundred fifty-four thousand, six hundred sixty-four".