6996417720 has 64 divisors (see below), whose sum is σ = 21056855040. Its totient is φ = 1859702400.

The previous prime is 6996417629. The next prime is 6996417721. The reversal of 6996417720 is 277146996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6996417721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56416 + ... + 131055.

It is an arithmetic number, because the mean of its divisors is an integer number (329013360).

Almost surely, 2^6996417720 is an apocalyptic number.

6996417720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6996417720 is an abundant number, since it is smaller than the sum of its proper divisors (14060437320).

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

6996417720 is a wasteful number, since it uses less digits than its factorization.

6996417720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187796 (or 187792 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 6996417720 is about 83644.5916960565. The cubic root of 6996417720 is about 1912.6048101815.

The spelling of 6996417720 in words is "six billion, nine hundred ninety-six million, four hundred seventeen thousand, seven hundred twenty".