972573912 has 128 divisors (see below), whose sum is σ = 2803507200. Its totient is φ = 312076800.

The previous prime is 972573887. The next prime is 972573923. The reversal of 972573912 is 219375279.

972573912 is a `hidden beast` number, since 9 + 7 + 257 + 391 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2256337 + ... + 2256767.

It is an arithmetic number, because the mean of its divisors is an integer number (21902400).

Almost surely, 2^972573912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 972573912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1401753600).

972573912 is an abundant number, since it is smaller than the sum of its proper divisors (1830933288).

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

972573912 is a wasteful number, since it uses less digits than its factorization.

972573912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814 (or 804 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 972573912 is about 31186.1172960021. The cubic root of 972573912 is about 990.7730967699.

The spelling of 972573912 in words is "nine hundred seventy-two million, five hundred seventy-three thousand, nine hundred twelve".