7930337920 has 128 divisors (see below), whose sum is σ = 19287253440. Its totient is φ = 3117563904.

The previous prime is 7930337911. The next prime is 7930337953. The reversal of 7930337920 is 297330397.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17901219 + ... + 17901661.

Almost surely, 2^7930337920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7930337920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9643626720).

7930337920 is an abundant number, since it is smaller than the sum of its proper divisors (11356915520).

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

7930337920 is a wasteful number, since it uses less digits than its factorization.

7930337920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882 (or 870 counting only the distinct ones).

The product of its (nonzero) digits is 214326, while the sum is 43.

The square root of 7930337920 is about 89052.4447727293. Note that the first 3 decimals coincide. The cubic root of 7930337920 is about 1994.1778946573.

The spelling of 7930337920 in words is "seven billion, nine hundred thirty million, three hundred thirty-seven thousand, nine hundred twenty".