7442172320 has 96 divisors (see below), whose sum is σ = 20190098880. Its totient is φ = 2563799040.

The previous prime is 7442172289. The next prime is 7442172329. The reversal of 7442172320 is 232712447.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (7442172329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77837 + ... + 144716.

It is an arithmetic number, because the mean of its divisors is an integer number (210313530).

Almost surely, 2^7442172320 is an apocalyptic number.

It is an amenable number.

7442172320 is an abundant number, since it is smaller than the sum of its proper divisors (12747926560).

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

7442172320 is a wasteful number, since it uses less digits than its factorization.

7442172320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222598 (or 222590 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 7442172320 is about 86268.0260583259. The cubic root of 7442172320 is about 1952.3899969886.

Adding to 7442172320 its reverse (232712447), we get a palindrome (7674884767).

The spelling of 7442172320 in words is "seven billion, four hundred forty-two million, one hundred seventy-two thousand, three hundred twenty".