972302319 has 8 divisors (see below), whose sum is σ = 1440447920. Its totient is φ = 648201528.

The previous prime is 972302293. The next prime is 972302323. The reversal of 972302319 is 913203279.

It is not a de Polignac number, because 972302319 - 2¹⁷ = 972171247 is a prime.

It is a super-2 number, since 2×972302319² = 1890743599065555522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972302389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18005572 + ... + 18005625.

It is an arithmetic number, because the mean of its divisors is an integer number (180055990).

Almost surely, 2^972302319 is an apocalyptic number.

972302319 is a deficient number, since it is larger than the sum of its proper divisors (468145601).

972302319 is a wasteful number, since it uses less digits than its factorization.

972302319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36011206 (or 36011200 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 972302319 is about 31181.7626025214. The cubic root of 972302319 is about 990.6808631323.

The spelling of 972302319 in words is "nine hundred seventy-two million, three hundred two thousand, three hundred nineteen".