972704353 has 4 divisors (see below), whose sum is σ = 988650388. Its totient is φ = 956758320.

The previous prime is 972704321. The next prime is 972704357. The reversal of 972704353 is 353407279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 353407279 = 977 ⋅361727.

It can be written as a sum of positive squares in 2 ways, for example, as 13749264 + 958955089 = 3708^2 + 30967^2 .

It is a cyclic number.

It is not a de Polignac number, because 972704353 - 2⁵ = 972704321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (972704357) 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, 7972926 + ... + 7973047.

It is an arithmetic number, because the mean of its divisors is an integer number (247162597).

Almost surely, 2^972704353 is an apocalyptic number.

It is an amenable number.

972704353 is a deficient number, since it is larger than the sum of its proper divisors (15946035).

972704353 is a wasteful number, since it uses less digits than its factorization.

972704353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15946034.

The product of its (nonzero) digits is 158760, while the sum is 40.

The square root of 972704353 is about 31188.2085570813. The cubic root of 972704353 is about 990.8173887442.

The spelling of 972704353 in words is "nine hundred seventy-two million, seven hundred four thousand, three hundred fifty-three".