99795972 has 24 divisors (see below), whose sum is σ = 234081792. Its totient is φ = 33090400.

The previous prime is 99795959. The next prime is 99795973. The reversal of 99795972 is 27959799.

It is not an unprimeable number, because it can be changed into a prime (99795973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19479 + ... + 24062.

It is an arithmetic number, because the mean of its divisors is an integer number (9753408).

Almost surely, 2^99795972 is an apocalyptic number.

It is an amenable number.

99795972 is an abundant number, since it is smaller than the sum of its proper divisors (134285820).

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

99795972 is a wasteful number, since it uses less digits than its factorization.

99795972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43739 (or 43737 counting only the distinct ones).

The product of its digits is 3214890, while the sum is 57.

The square root of 99795972 is about 9989.7933912569. The cubic root of 99795972 is about 463.8429970694.

It can be divided in two parts, 9979 and 5972, that added together give a palindrome (15951).

The spelling of 99795972 in words is "ninety-nine million, seven hundred ninety-five thousand, nine hundred seventy-two".