972442566 has 12 divisors (see below), whose sum is σ = 2106958932. Its totient is φ = 324147516.

The previous prime is 972442561. The next prime is 972442573. The reversal of 972442566 is 665244279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972442561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27012276 + ... + 27012311.

It is an arithmetic number, because the mean of its divisors is an integer number (175579911).

Almost surely, 2^972442566 is an apocalyptic number.

972442566 is an abundant number, since it is smaller than the sum of its proper divisors (1134516366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

972442566 is a wasteful number, since it uses less digits than its factorization.

972442566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54024595 (or 54024592 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 972442566 is about 31184.0113840410. The cubic root of 972442566 is about 990.7284934960.

The spelling of 972442566 in words is "nine hundred seventy-two million, four hundred forty-two thousand, five hundred sixty-six".