90273133 has 8 divisors (see below), whose sum is σ = 91355040. Its totient is φ = 89197680.

The previous prime is 90273121. The next prime is 90273167. The reversal of 90273133 is 33137209.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90273133 - 2²¹ = 88175981 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 (90273173) 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, 30123 + ... + 32983.

It is an arithmetic number, because the mean of its divisors is an integer number (11419380).

Almost surely, 2^90273133 is an apocalyptic number.

It is an amenable number.

90273133 is a deficient number, since it is larger than the sum of its proper divisors (1081907).

90273133 is a wasteful number, since it uses less digits than its factorization.

90273133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3227.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 90273133 is about 9501.2174483063. The cubic root of 90273133 is about 448.5933573903.

The spelling of 90273133 in words is "ninety million, two hundred seventy-three thousand, one hundred thirty-three".