972673165 has 4 divisors (see below), whose sum is σ = 1167207804. Its totient is φ = 778138528.

The previous prime is 972673159. The next prime is 972673171. The reversal of 972673165 is 561376279.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (972673159) and next prime (972673171).

It can be written as a sum of positive squares in 2 ways, for example, as 170537481 + 802135684 = 13059^2 + 28322^2 .

It is a cyclic number.

It is not a de Polignac number, because 972673165 - 2³ = 972673157 is a prime.

It is a super-2 number, since 2×972673165² = 1892186171822234450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97267312 + ... + 97267321.

It is an arithmetic number, because the mean of its divisors is an integer number (291801951).

Almost surely, 2^972673165 is an apocalyptic number.

It is an amenable number.

972673165 is a deficient number, since it is larger than the sum of its proper divisors (194534639).

972673165 is a wasteful number, since it uses less digits than its factorization.

972673165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194534638.

The product of its digits is 476280, while the sum is 46.

The square root of 972673165 is about 31187.7085564169. The cubic root of 972673165 is about 990.8067990438.

The spelling of 972673165 in words is "nine hundred seventy-two million, six hundred seventy-three thousand, one hundred sixty-five".