74590 has 8 divisors (see below), whose sum is σ = 134280. Its totient is φ = 29832.

The previous prime is 74587. The next prime is 74597. The reversal of 74590 is 9547.

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

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3720 + ... + 3739.

It is an arithmetic number, because the mean of its divisors is an integer number (16785).

2⁷⁴⁵⁹⁰ is an apocalyptic number.

74590 is a deficient number, since it is larger than the sum of its proper divisors (59690).

74590 is a wasteful number, since it uses less digits than its factorization.

74590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7466.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 74590 is about 273.1116987608. Note that the first 3 decimals coincide. The cubic root of 74590 is about 42.0946467203.

It can be divided in two parts, 74 and 590, that multiplied together give a triangular number (43660 = T₂₉₅).

The spelling of 74590 in words is "seventy-four thousand, five hundred ninety".