972679 has 2 divisors, whose sum is σ = 972680. Its totient is φ = 972678.

The previous prime is 972661. The next prime is 972683. The reversal of 972679 is 976279.

It is a strong prime.

It is an emirp because it is prime and its reverse (976279) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-972679 is a prime.

It is a super-2 number, since 2×972679² = 1892208874082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (972649) 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 as a sum of consecutive naturals, namely, 486339 + 486340.

It is an arithmetic number, because the mean of its divisors is an integer number (486340).

2⁹⁷²⁶⁷⁹ is an apocalyptic number.

972679 is a deficient number, since it is larger than the sum of its proper divisors (1).

972679 is an equidigital number, since it uses as much as digits as its factorization.

972679 is an odious number, because the sum of its binary digits is odd.

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

The square root of 972679 is about 986.2448985926. The cubic root of 972679 is about 99.0808780301.

Subtracting 972679 from its reverse (976279), we obtain a square (3600 = 60²).

The spelling of 972679 in words is "nine hundred seventy-two thousand, six hundred seventy-nine".