7389775616 has 72 divisors (see below), whose sum is σ = 15506061984. Its totient is φ = 3508060160.

The previous prime is 7389775607. The next prime is 7389775633. The reversal of 7389775616 is 6165779837.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802076 + ... + 811236.

It is an arithmetic number, because the mean of its divisors is an integer number (215361972).

Almost surely, 2^7389775616 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 7389775616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7753030992).

7389775616 is an abundant number, since it is smaller than the sum of its proper divisors (8116286368).

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

7389775616 is a wasteful number, since it uses less digits than its factorization.

7389775616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9337 (or 9323 counting only the distinct ones).

The product of its digits is 13335840, while the sum is 59.

The square root of 7389775616 is about 85963.8041038203. The cubic root of 7389775616 is about 1947.7972598828.

The spelling of 7389775616 in words is "seven billion, three hundred eighty-nine million, seven hundred seventy-five thousand, six hundred sixteen".