99574272 has 250 divisors, whose sum is σ = 346716183. Its totient is φ = 28449792.

The previous prime is 99574271. The next prime is 99574273. The reversal of 99574272 is 27247599.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

99574272 is a `hidden beast` number, since 9 + 9 + 574 + 2 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (99574271) and next prime (99574273).

It can be written as a sum of positive squares in only one way, i.e., 49787136 + 49787136 = 7056^2 + 7056^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7056.

Its product of digits (317520) is a multiple of the sum of its prime divisors (12).

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (99574271) by changing a digit.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 14224893 + ... + 14224899.

Almost surely, 2^99574272 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 99574272

99574272 is an abundant number, since it is smaller than the sum of its proper divisors (247141911).

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

99574272 is an frugal number, since it uses more digits than its factorization.

99574272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58 (or 12 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 99574272 is about 9978.6908961046. The cubic root of 99574272 is about 463.4992616320.

The spelling of 99574272 in words is "ninety-nine million, five hundred seventy-four thousand, two hundred seventy-two".