90674 has 4 divisors (see below), whose sum is σ = 136014. Its totient is φ = 45336.

The previous prime is 90659. The next prime is 90677. The reversal of 90674 is 47609.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 70225 + 20449 = 265^2 + 143^2 .

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (90677) by changing a digit.

90674 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22667 + ... + 22670.

2⁹⁰⁶⁷⁴ is an apocalyptic number.

90674 is a deficient number, since it is larger than the sum of its proper divisors (45340).

90674 is a wasteful number, since it uses less digits than its factorization.

90674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45339.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 90674 is about 301.1212380421. The cubic root of 90674 is about 44.9256385038.

The spelling of 90674 in words is "ninety thousand, six hundred seventy-four".