7670664 has 24 divisors (see below), whose sum is σ = 20774910. Its totient is φ = 2556864.

The previous prime is 7670653. The next prime is 7670693. The reversal of 7670664 is 4660767.

It can be written as a sum of positive squares in only one way, i.e., 7518564 + 152100 = 2742^2 + 390^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53197 + ... + 53340.

Almost surely, 2^7670664 is an apocalyptic number.

It is an amenable number.

7670664 is an abundant number, since it is smaller than the sum of its proper divisors (13104246).

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

7670664 is a wasteful number, since it uses less digits than its factorization.

7670664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106549 (or 106542 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 7670664 is about 2769.5963604829. The cubic root of 7670664 is about 197.2169871549.

The spelling of 7670664 in words is "seven million, six hundred seventy thousand, six hundred sixty-four".