90274 has 4 divisors (see below), whose sum is σ = 135414. Its totient is φ = 45136.

The previous prime is 90271. The next prime is 90281. The reversal of 90274 is 47209.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47209 = 17 ⋅2777.

It can be written as a sum of positive squares in only one way, i.e., 87025 + 3249 = 295^2 + 57^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (90271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22567 + ... + 22570.

2⁹⁰²⁷⁴ is an apocalyptic number.

90274 is a deficient number, since it is larger than the sum of its proper divisors (45140).

90274 is a wasteful number, since it uses less digits than its factorization.

90274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45139.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 90274 is about 300.4563196207. The cubic root of 90274 is about 44.8594793510.

The spelling of 90274 in words is "ninety thousand, two hundred seventy-four".