72898133 has 24 divisors (see below), whose sum is σ = 93412800. Its totient is φ = 56395080.

The previous prime is 72898121. The next prime is 72898139. The reversal of 72898133 is 33189827.

It is not a de Polignac number, because 72898133 - 2¹⁰ = 72897109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72898139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 524378 + ... + 524516.

It is an arithmetic number, because the mean of its divisors is an integer number (3892200).

Almost surely, 2^72898133 is an apocalyptic number.

It is an amenable number.

72898133 is a deficient number, since it is larger than the sum of its proper divisors (20514667).

72898133 is an equidigital number, since it uses as much as digits as its factorization.

72898133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 157 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 72898133 is about 8538.0403489325. The cubic root of 72898133 is about 417.7394288028.

The spelling of 72898133 in words is "seventy-two million, eight hundred ninety-eight thousand, one hundred thirty-three".