90270726 has 32 divisors (see below), whose sum is σ = 222206208. Its totient is φ = 23807520.

The previous prime is 90270721. The next prime is 90270727. The reversal of 90270726 is 62707209.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90270721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82120 + ... + 83211.

It is an arithmetic number, because the mean of its divisors is an integer number (6943944).

Almost surely, 2^90270726 is an apocalyptic number.

90270726 is an abundant number, since it is smaller than the sum of its proper divisors (131935482).

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

90270726 is a wasteful number, since it uses less digits than its factorization.

90270726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165356.

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

The square root of 90270726 is about 9501.0907794842. The cubic root of 90270726 is about 448.5893703280.

The spelling of 90270726 in words is "ninety million, two hundred seventy thousand, seven hundred twenty-six".