7172672702225 has 24 divisors (see below), whose sum is σ = 8903636740152. Its totient is φ = 5731997875200.

The previous prime is 7172672702213. The next prime is 7172672702243. The reversal of 7172672702225 is 5222072762717.

It can be written as a sum of positive squares in 12 ways, for example, as 185833415056 + 6986839287169 = 431084^2 + 2643263^2 .

It is not a de Polignac number, because 7172672702225 - 2⁸ = 7172672701969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90578249 + ... + 90657401.

It is an arithmetic number, because the mean of its divisors is an integer number (370984864173).

Almost surely, 2^{7172672702225} is an apocalyptic number.

It is an amenable number.

7172672702225 is a deficient number, since it is larger than the sum of its proper divisors (1730964037927).

7172672702225 is a wasteful number, since it uses less digits than its factorization.

7172672702225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82997 (or 82992 counting only the distinct ones).

The product of its (nonzero) digits is 2304960, while the sum is 50.

The spelling of 7172672702225 in words is "seven trillion, one hundred seventy-two billion, six hundred seventy-two million, seven hundred two thousand, two hundred twenty-five".