7172957 has 4 divisors (see below), whose sum is σ = 7825056. Its totient is φ = 6520860.

The previous prime is 7172939. The next prime is 7172969. The reversal of 7172957 is 7592717.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7172957 - 2¹⁰ = 7171933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7172957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7172927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326033 + ... + 326054.

It is an arithmetic number, because the mean of its divisors is an integer number (1956264).

Almost surely, 2^7172957 is an apocalyptic number.

It is an amenable number.

7172957 is a deficient number, since it is larger than the sum of its proper divisors (652099).

7172957 is a wasteful number, since it uses less digits than its factorization.

7172957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652098.

The product of its digits is 30870, while the sum is 38.

The square root of 7172957 is about 2678.2376668250. The cubic root of 7172957 is about 192.8558168568.

The spelling of 7172957 in words is "seven million, one hundred seventy-two thousand, nine hundred fifty-seven".