7172986744 has 128 divisors (see below), whose sum is σ = 17079828480. Its totient is φ = 2743228800.

The previous prime is 7172986703. The next prime is 7172986753. The reversal of 7172986744 is 4476892717.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8311257 + ... + 8312119.

It is an arithmetic number, because the mean of its divisors is an integer number (133436160).

Almost surely, 2^7172986744 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 7172986744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8539914240).

7172986744 is an abundant number, since it is smaller than the sum of its proper divisors (9906841736).

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

7172986744 is a wasteful number, since it uses less digits than its factorization.

7172986744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121 (or 1117 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 55.

The square root of 7172986744 is about 84693.4870223207. The cubic root of 7172986744 is about 1928.5608342725.

The spelling of 7172986744 in words is "seven billion, one hundred seventy-two million, nine hundred eighty-six thousand, seven hundred forty-four".