7437798816 has 96 divisors (see below), whose sum is σ = 22474206720. Its totient is φ = 2109770496.

The previous prime is 7437798803. The next prime is 7437798829. The reversal of 7437798816 is 6188977347.

It is an interprime number because it is at equal distance from previous prime (7437798803) and next prime (7437798829).

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 7437798816.

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, 53595 + ... + 133221.

It is an arithmetic number, because the mean of its divisors is an integer number (234106320).

Almost surely, 2^7437798816 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 7437798816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11237103360).

7437798816 is an abundant number, since it is smaller than the sum of its proper divisors (15036407904).

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

7437798816 is a wasteful number, since it uses less digits than its factorization.

7437798816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79786 (or 79778 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 60.

The square root of 7437798816 is about 86242.6739845188. The cubic root of 7437798816 is about 1952.0074716412.

The spelling of 7437798816 in words is "seven billion, four hundred thirty-seven million, seven hundred ninety-eight thousand, eight hundred sixteen".