90272001732 has 24 divisors (see below), whose sum is σ = 229783277472. Its totient is φ = 27355152000.

The previous prime is 90272001719. The next prime is 90272001739. The reversal of 90272001732 is 23710027209.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 90272001693 and 90272001702.

It is not an unprimeable number, because it can be changed into a prime (90272001739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341939269 + ... + 341939532.

It is an arithmetic number, because the mean of its divisors is an integer number (9574303228).

Almost surely, 2^90272001732 is an apocalyptic number.

It is an amenable number.

90272001732 is an abundant number, since it is smaller than the sum of its proper divisors (139511275740).

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

90272001732 is a wasteful number, since it uses less digits than its factorization.

90272001732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683878819 (or 683878817 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The spelling of 90272001732 in words is "ninety billion, two hundred seventy-two million, one thousand, seven hundred thirty-two".