972021712 has 40 divisors (see below), whose sum is σ = 1909252800. Its totient is φ = 479351040.

The previous prime is 972021707. The next prime is 972021761. The reversal of 972021712 is 217120279.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462039 + ... + 464137.

It is an arithmetic number, because the mean of its divisors is an integer number (47731320).

Almost surely, 2^972021712 is an apocalyptic number.

It is an amenable number.

972021712 is a deficient number, since it is larger than the sum of its proper divisors (937231088).

972021712 is a wasteful number, since it uses less digits than its factorization.

972021712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491 (or 2485 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 972021712 is about 31177.2627406577. The cubic root of 972021712 is about 990.5855502765.

The spelling of 972021712 in words is "nine hundred seventy-two million, twenty-one thousand, seven hundred twelve".