7904006424 has 48 divisors (see below), whose sum is σ = 21411702000. Its totient is φ = 2634051264.

The previous prime is 7904006371. The next prime is 7904006447. The reversal of 7904006424 is 4246004097.

7904006424 is a `hidden beast` number, since 7 + 9 + 0 + 4 + 0 + 0 + 642 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 378562 + ... + 398894.

It is an arithmetic number, because the mean of its divisors is an integer number (446077125).

Almost surely, 2^7904006424 is an apocalyptic number.

It is an amenable number.

7904006424 is an abundant number, since it is smaller than the sum of its proper divisors (13507695576).

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

7904006424 is a wasteful number, since it uses less digits than its factorization.

7904006424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25744 (or 25737 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 7904006424 is about 88904.4792122422. The cubic root of 7904006424 is about 1991.9683246040.

The spelling of 7904006424 in words is "seven billion, nine hundred four million, six thousand, four hundred twenty-four".