972717 has 4 divisors (see below), whose sum is σ = 1296960. Its totient is φ = 648476.

The previous prime is 972701. The next prime is 972721. The reversal of 972717 is 717279.

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 972717 - 2⁴ = 972701 is a prime.

It is a super-3 number, since 3×972717³ = 2761091333508377439, which contains 333 as substring.

It is a D-number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 972717.

It is not an unprimeable number, because it can be changed into a prime (972787) 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, 162117 + ... + 162122.

It is an arithmetic number, because the mean of its divisors is an integer number (324240).

2⁹⁷²⁷¹⁷ is an apocalyptic number.

It is an amenable number.

972717 is a deficient number, since it is larger than the sum of its proper divisors (324243).

972717 is a wasteful number, since it uses less digits than its factorization.

972717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324242.

The product of its digits is 6174, while the sum is 33.

The square root of 972717 is about 986.2641633964. The cubic root of 972717 is about 99.0821682894.

The spelling of 972717 in words is "nine hundred seventy-two thousand, seven hundred seventeen".