74290 has 32 divisors (see below), whose sum is σ = 155520. Its totient is φ = 25344.

The previous prime is 74287. The next prime is 74293. The reversal of 74290 is 9247.

74290 = T₇₆ + T₇₇ + ... + T₉₅.

It is an interprime number because it is at equal distance from previous prime (74287) and next prime (74293).

It is not an unprimeable number, because it can be changed into a prime (74293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3219 + ... + 3241.

It is an arithmetic number, because the mean of its divisors is an integer number (4860).

2⁷⁴²⁹⁰ is an apocalyptic number.

74290 is an abundant number, since it is smaller than the sum of its proper divisors (81230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77760).

74290 is a wasteful number, since it uses less digits than its factorization.

74290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66.

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

The square root of 74290 is about 272.5619195706. The cubic root of 74290 is about 42.0381361856.

The spelling of 74290 in words is "seventy-four thousand, two hundred ninety".