9172387674025 has 9 divisors (see below), whose sum is σ = 11373779493111. Its totient is φ = 7337898024840.

The previous prime is 9172387673983. The next prime is 9172387674041. The reversal of 9172387674025 is 5204767832719.

The square root of 9172387674025 is 3028595.

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

It can be written as a sum of positive squares in only one way, i.e., 3302059562649 + 5870328111376 = 1817157^2 + 2422876^2 .

It is not a de Polignac number, because 9172387674025 - 2²¹ = 9172385576873 is a prime.

It is a Duffinian 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, 14840116 + ... + 15445834.

It is a 1-persistent number, because it is pandigital, but 2⋅9172387674025 = 18344775348050 is not.

Almost surely, 2^{9172387674025} is an apocalyptic number.

9172387674025 is the 3028595-th square number.

9172387674025 is the 1514298-th centered octagonal number.

It is an amenable number.

9172387674025 is a deficient number, since it is larger than the sum of its proper divisors (2201391819086).

9172387674025 is an frugal number, since it uses more digits than its factorization.

9172387674025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211448 (or 605724 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 61.

The spelling of 9172387674025 in words is "nine trillion, one hundred seventy-two billion, three hundred eighty-seven million, six hundred seventy-four thousand, twenty-five".