972941290 has 8 divisors (see below), whose sum is σ = 1751294340. Its totient is φ = 389176512.

The previous prime is 972941279. The next prime is 972941309. The reversal of 972941290 is 92149279.

It can be written as a sum of positive squares in 2 ways, for example, as 891201609 + 81739681 = 29853^2 + 9041^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×972941290² = 1893229507573728200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48647055 + ... + 48647074.

Almost surely, 2^972941290 is an apocalyptic number.

972941290 is a deficient number, since it is larger than the sum of its proper divisors (778353050).

972941290 is a wasteful number, since it uses less digits than its factorization.

972941290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97294136.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 972941290 is about 31192.0068286733. The cubic root of 972941290 is about 990.8978319059.

The spelling of 972941290 in words is "nine hundred seventy-two million, nine hundred forty-one thousand, two hundred ninety".