7944870624 has 48 divisors (see below), whose sum is σ = 21574440720. Its totient is φ = 2556968960.

The previous prime is 7944870617. The next prime is 7944870649. The reversal of 7944870624 is 4260784497.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1424097 + ... + 1429664.

It is an arithmetic number, because the mean of its divisors is an integer number (449467515).

Almost surely, 2^7944870624 is an apocalyptic number.

It is an amenable number.

7944870624 is an abundant number, since it is smaller than the sum of its proper divisors (13629570096).

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

7944870624 is a wasteful number, since it uses less digits than its factorization.

7944870624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853803 (or 2853795 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 51.

The square root of 7944870624 is about 89134.0037471671. The cubic root of 7944870624 is about 1995.3952918008.

The spelling of 7944870624 in words is "seven billion, nine hundred forty-four million, eight hundred seventy thousand, six hundred twenty-four".