972645376 has 22 divisors (see below), whose sum is σ = 1944342950. Its totient is φ = 486322176.

The previous prime is 972645341. The next prime is 972645403. The reversal of 972645376 is 673546279.

It can be written as a sum of positive squares in only one way, i.e., 889470976 + 83174400 = 29824^2 + 9120^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473901 + ... + 475948.

It is an arithmetic number, because the mean of its divisors is an integer number (88379225).

Almost surely, 2^972645376 is an apocalyptic number.

It is an amenable number.

972645376 is a deficient number, since it is larger than the sum of its proper divisors (971697574).

972645376 is an equidigital number, since it uses as much as digits as its factorization.

972645376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949869 (or 949851 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 49.

The square root of 972645376 is about 31187.2630411840. The cubic root of 972645376 is about 990.7973632630.

The spelling of 972645376 in words is "nine hundred seventy-two million, six hundred forty-five thousand, three hundred seventy-six".