972757972 has 96 divisors (see below), whose sum is σ = 1923626880. Its totient is φ = 428613120.

The previous prime is 972757943. The next prime is 972757979. The reversal of 972757972 is 279757279.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972757979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9091143 + ... + 9091249.

It is an arithmetic number, because the mean of its divisors is an integer number (20037780).

Almost surely, 2^972757972 is an apocalyptic number.

It is an amenable number.

972757972 is a deficient number, since it is larger than the sum of its proper divisors (950868908).

972757972 is a wasteful number, since it uses less digits than its factorization.

972757972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 279 counting only the distinct ones).

The product of its digits is 3889620, while the sum is 55.

The square root of 972757972 is about 31189.0681489524. The cubic root of 972757972 is about 990.8355942285.

The spelling of 972757972 in words is "nine hundred seventy-two million, seven hundred fifty-seven thousand, nine hundred seventy-two".