9099000072 has 24 divisors (see below), whose sum is σ = 24643125390. Its totient is φ = 3033000000.

The previous prime is 9099000047. The next prime is 9099000089. The reversal of 9099000072 is 2700009909.

It can be written as a sum of positive squares in only one way, i.e., 7360610436 + 1738389636 = 85794^2 + 41694^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63187429 + ... + 63187572.

Almost surely, 2^9099000072 is an apocalyptic number.

It is an amenable number.

9099000072 is an abundant number, since it is smaller than the sum of its proper divisors (15544125318).

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

9099000072 is a wasteful number, since it uses less digits than its factorization.

9099000072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126375013 (or 126375006 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 9099000072 is about 95388.6789509112. The cubic root of 9099000072 is about 2087.6830066624.

The spelling of 9099000072 in words is "nine billion, ninety-nine million, seventy-two", and thus it is an aban number and an uban number.