7664080 has 20 divisors (see below), whose sum is σ = 17819172. Its totient is φ = 3065600.

The previous prime is 7664077. The next prime is 7664123. The reversal of 7664080 is 804667.

It can be written as a sum of positive squares in 2 ways, for example, as 4293184 + 3370896 = 2072^2 + 1836^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 47821 + ... + 47980.

Almost surely, 2^7664080 is an apocalyptic number.

It is an amenable number.

7664080 is an abundant number, since it is smaller than the sum of its proper divisors (10155092).

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

7664080 is a wasteful number, since it uses less digits than its factorization.

7664080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95814 (or 95808 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 7664080 is about 2768.4074844574. The cubic root of 7664080 is about 197.1605449168.

The spelling of 7664080 in words is "seven million, six hundred sixty-four thousand, eighty".