7172974224 has 320 divisors, whose sum is σ = 22798540800. Its totient is φ = 2145927168.

The previous prime is 7172974213. The next prime is 7172974229. The reversal of 7172974224 is 4224792717.

7172974224 is a `hidden beast` number, since 71 + 72 + 97 + 422 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 7172974224.

It is not an unprimeable number, because it can be changed into a prime (7172974229) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56480049 + ... + 56480175.

It is an arithmetic number, because the mean of its divisors is an integer number (71245440).

Almost surely, 2^7172974224 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 7172974224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11399270400).

7172974224 is an abundant number, since it is smaller than the sum of its proper divisors (15625566576).

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

7172974224 is a wasteful number, since it uses less digits than its factorization.

7172974224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 347 counting only the distinct ones).

The product of its digits is 395136, while the sum is 45.

The square root of 7172974224 is about 84693.4131086946. The cubic root of 7172974224 is about 1928.5597122110.

The spelling of 7172974224 in words is "seven billion, one hundred seventy-two million, nine hundred seventy-four thousand, two hundred twenty-four".