972697 has 4 divisors (see below), whose sum is σ = 1061136. Its totient is φ = 884260.

The previous prime is 972683. The next prime is 972701. The reversal of 972697 is 796279.

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 a de Polignac number, because none of the positive numbers 2^k-972697 is a prime.

It is a super-2 number, since 2×972697² = 1892278907618, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (972637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44203 + ... + 44224.

It is an arithmetic number, because the mean of its divisors is an integer number (265284).

2⁹⁷²⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

972697 is a deficient number, since it is larger than the sum of its proper divisors (88439).

972697 is a wasteful number, since it uses less digits than its factorization.

972697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88438.

The product of its digits is 47628, while the sum is 40.

The square root of 972697 is about 986.2540240729. The cubic root of 972697 is about 99.0814892097.

The spelling of 972697 in words is "nine hundred seventy-two thousand, six hundred ninety-seven".