7288172880 has 80 divisors (see below), whose sum is σ = 22812766080. Its totient is φ = 1924637184.

The previous prime is 7288172851. The next prime is 7288172897. The reversal of 7288172880 is 882718827.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 122695 + ... + 172134.

It is an arithmetic number, because the mean of its divisors is an integer number (285159576).

Almost surely, 2^7288172880 is an apocalyptic number.

It is an amenable number.

7288172880 is an abundant number, since it is smaller than the sum of its proper divisors (15524593200).

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

7288172880 is a wasteful number, since it uses less digits than its factorization.

7288172880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294948 (or 294942 counting only the distinct ones).

The product of its (nonzero) digits is 802816, while the sum is 51.

The square root of 7288172880 is about 85370.7964118878. The cubic root of 7288172880 is about 1938.8292152829.

The spelling of 7288172880 in words is "seven billion, two hundred eighty-eight million, one hundred seventy-two thousand, eight hundred eighty".