7638004 has 36 divisors (see below), whose sum is σ = 15074752. Its totient is φ = 3381840.

The previous prime is 7637977. The next prime is 7638011. The reversal of 7638004 is 4008367.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20629 + ... + 20995.

Almost surely, 2^7638004 is an apocalyptic number.

It is an amenable number.

7638004 is a deficient number, since it is larger than the sum of its proper divisors (7436748).

7638004 is a wasteful number, since it uses less digits than its factorization.

7638004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 7638004 is about 2763.6939049034. The cubic root of 7638004 is about 196.9366867753.

The spelling of 7638004 in words is "seven million, six hundred thirty-eight thousand, four".