99370872 has 72 divisors (see below), whose sum is σ = 279133920. Its totient is φ = 31903200.

The previous prime is 99370847. The next prime is 99370883. The reversal of 99370872 is 27807399.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 470847 + ... + 471057.

It is an arithmetic number, because the mean of its divisors is an integer number (3876860).

Almost surely, 2^99370872 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 99370872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139566960).

99370872 is an abundant number, since it is smaller than the sum of its proper divisors (179763048).

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

99370872 is a wasteful number, since it uses less digits than its factorization.

99370872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 99370872 is about 9968.4939684990. The cubic root of 99370872 is about 463.1834504186.

The spelling of 99370872 in words is "ninety-nine million, three hundred seventy thousand, eight hundred seventy-two".