6379720704 has 520 divisors, whose sum is σ = 22644904128. Its totient is φ = 1751777280.

The previous prime is 6379720661. The next prime is 6379720723. The reversal of 6379720704 is 4070279736.

It is a happy number.

6379720704 is a `hidden beast` number, since 637 + 9 + 7 + 2 + 0 + 7 + 0 + 4 = 666.

It is a super-2 number, since 2×6379720704² = 81401672522092511232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6379720704.

It is a congruent number.

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 39 ways as a sum of consecutive naturals, for example, 95219679 + ... + 95219745.

Almost surely, 2^6379720704 is an apocalyptic number.

6379720704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6379720704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11322452064).

6379720704 is an abundant number, since it is smaller than the sum of its proper divisors (16265183424).

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

6379720704 is an equidigital number, since it uses as much as digits as its factorization.

6379720704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 45.

The square root of 6379720704 is about 79873.1538378196. The cubic root of 6379720704 is about 1854.6724553480.

The spelling of 6379720704 in words is "six billion, three hundred seventy-nine million, seven hundred twenty thousand, seven hundred four".