972755450 has 12 divisors (see below), whose sum is σ = 1809325230. Its totient is φ = 389102160.

The previous prime is 972755447. The next prime is 972755473. The reversal of 972755450 is 54557279.

It can be written as a sum of positive squares in 3 ways, for example, as 405982201 + 566773249 = 20149^2 + 23807^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 9727505 + ... + 9727604.

Almost surely, 2^972755450 is an apocalyptic number.

972755450 is a deficient number, since it is larger than the sum of its proper divisors (836569780).

972755450 is a wasteful number, since it uses less digits than its factorization.

972755450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19455121 (or 19455116 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 44.

The square root of 972755450 is about 31189.0277180934. The cubic root of 972755450 is about 990.8347379382.

The spelling of 972755450 in words is "nine hundred seventy-two million, seven hundred fifty-five thousand, four hundred fifty".