7899341072 has 80 divisors (see below), whose sum is σ = 17844191232. Its totient is φ = 3317811840.

The previous prime is 7899341041. The next prime is 7899341147. The reversal of 7899341072 is 2701439987.

It is a super-2 number, since 2×7899341072² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7899341072.

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, 1177247 + ... + 1183937.

Almost surely, 2^7899341072 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 7899341072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8922095616).

7899341072 is an abundant number, since it is smaller than the sum of its proper divisors (9944850160).

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

7899341072 is a wasteful number, since it uses less digits than its factorization.

7899341072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6916 (or 6910 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 7899341072 is about 88878.2373362568. The cubic root of 7899341072 is about 1991.5763266746.

The spelling of 7899341072 in words is "seven billion, eight hundred ninety-nine million, three hundred forty-one thousand, seventy-two".