7172734864 has 45 divisors (see below), whose sum is σ = 14380986459. Its totient is φ = 3465596640.

The previous prime is 7172734847. The next prime is 7172734871. The reversal of 7172734864 is 4684372717.

It is a happy number.

The square root of 7172734864 is 84692.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10501467 + ... + 10502149.

Almost surely, 2^7172734864 is an apocalyptic number.

7172734864 is the 84692-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7172734864

7172734864 is an abundant number, since it is smaller than the sum of its proper divisors (7208251595).

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

7172734864 is an frugal number, since it uses more digits than its factorization.

7172734864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436 (or 716 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 49.

The cubic root of 7172734864 is about 1928.5382601525.

Multiplying 7172734864 by its sum of digits (49), we get a square (351464008336 = 592844²).

The spelling of 7172734864 in words is "seven billion, one hundred seventy-two million, seven hundred thirty-four thousand, eight hundred sixty-four".