7920004 has 24 divisors (see below), whose sum is σ = 14934528. Its totient is φ = 3664320.

The previous prime is 7919993. The next prime is 7920019. The reversal of 7920004 is 4000297.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1464 + ... + 4240.

It is an arithmetic number, because the mean of its divisors is an integer number (622272).

Almost surely, 2^7920004 is an apocalyptic number.

It is an amenable number.

7920004 is a deficient number, since it is larger than the sum of its proper divisors (7014524).

7920004 is a wasteful number, since it uses less digits than its factorization.

7920004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835 (or 2833 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 7920004 is about 2814.2501665630. The cubic root of 7920004 is about 199.3311322399.

The spelling of 7920004 in words is "seven million, nine hundred twenty thousand, four".