97992072 has 32 divisors (see below), whose sum is σ = 272200800. Its totient is φ = 32663952.

The previous prime is 97992067. The next prime is 97992079. The reversal of 97992072 is 27029979.

It is not an unprimeable number, because it can be changed into a prime (97992079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226618 + ... + 227049.

It is an arithmetic number, because the mean of its divisors is an integer number (8506275).

Almost surely, 2^97992072 is an apocalyptic number.

It is an amenable number.

97992072 is an abundant number, since it is smaller than the sum of its proper divisors (174208728).

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

97992072 is a wasteful number, since it uses less digits than its factorization.

97992072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453682 (or 453672 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 97992072 is about 9899.0945040443. The cubic root of 97992072 is about 461.0311963743.

The spelling of 97992072 in words is "ninety-seven million, nine hundred ninety-two thousand, seventy-two".