7930676640 has 48 divisors (see below), whose sum is σ = 24981632928. Its totient is φ = 2114846976.

The previous prime is 7930676639. The next prime is 7930676653. The reversal of 7930676640 is 466760397.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 7930676640.

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, 8260642 + ... + 8261601.

It is an arithmetic number, because the mean of its divisors is an integer number (520450686).

Almost surely, 2^7930676640 is an apocalyptic number.

It is an amenable number.

7930676640 is an abundant number, since it is smaller than the sum of its proper divisors (17050956288).

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

7930676640 is a wasteful number, since it uses less digits than its factorization.

7930676640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16522261 (or 16522253 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 48.

The square root of 7930676640 is about 89054.3465531021. The cubic root of 7930676640 is about 1994.2062859788.

The spelling of 7930676640 in words is "seven billion, nine hundred thirty million, six hundred seventy-six thousand, six hundred forty".