90366273 has 10 divisors (see below), whose sum is σ = 134991714. Its totient is φ = 60244128.

The previous prime is 90366253. The next prime is 90366281. The reversal of 90366273 is 37266309.

It can be written as a sum of positive squares in only one way, i.e., 70358544 + 20007729 = 8388^2 + 4473^2 .

It is not a de Polignac number, because 90366273 - 2²⁴ = 73589057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90366253) 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 9 ways as a sum of consecutive naturals, for example, 557736 + ... + 557897.

Almost surely, 2^90366273 is an apocalyptic number.

It is an amenable number.

90366273 is a deficient number, since it is larger than the sum of its proper divisors (44625441).

90366273 is a wasteful number, since it uses less digits than its factorization.

90366273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115645 (or 1115636 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 90366273 is about 9506.1176618007. The cubic root of 90366273 is about 448.7475842443.

Adding to 90366273 its sum of digits (36), we get a palindrome (90366309).

It can be divided in two parts, 903 and 66273, that added together give a palindrome (67176).

The spelling of 90366273 in words is "ninety million, three hundred sixty-six thousand, two hundred seventy-three".