99070272 has 84 divisors (see below), whose sum is σ = 324546976. Its totient is φ = 28304640.

The previous prime is 99070243. The next prime is 99070273. The reversal of 99070272 is 27207099.

It is a tau number, because it is divible by the number of its divisors (84).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99070273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8254 + ... + 16317.

Almost surely, 2^99070272 is an apocalyptic number.

It is an amenable number.

99070272 is an abundant number, since it is smaller than the sum of its proper divisors (225476704).

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

99070272 is a wasteful number, since it uses less digits than its factorization.

99070272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24596 (or 24583 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 99070272 is about 9953.4050455108. The cubic root of 99070272 is about 462.7159305324.

The spelling of 99070272 in words is "ninety-nine million, seventy thousand, two hundred seventy-two".