7664404 has 24 divisors (see below), whose sum is σ = 14702688. Its totient is φ = 3467040.

The previous prime is 7664369. The next prime is 7664407. The reversal of 7664404 is 4044667.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7664407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16179 + ... + 16645.

It is an arithmetic number, because the mean of its divisors is an integer number (612612).

Almost surely, 2^7664404 is an apocalyptic number.

It is an amenable number.

7664404 is a deficient number, since it is larger than the sum of its proper divisors (7038284).

7664404 is a wasteful number, since it uses less digits than its factorization.

7664404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 853 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 7664404 is about 2768.4660012361. The cubic root of 7664404 is about 197.1633232071.

The spelling of 7664404 in words is "seven million, six hundred sixty-four thousand, four hundred four".