274258 has 8 divisors (see below), whose sum is σ = 413820. Its totient is φ = 136320.

The previous prime is 274243. The next prime is 274259. The reversal of 274258 is 852472.

It can be written as a sum of positive squares in 2 ways, for example, as 273529 + 729 = 523^2 + 27^2 .

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274259) by changing a digit.

274258 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198 + ... + 766.

2²⁷⁴²⁵⁸ is an apocalyptic number.

274258 is a deficient number, since it is larger than the sum of its proper divisors (139562).

274258 is a wasteful number, since it uses less digits than its factorization.

274258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812.

The product of its digits is 4480, while the sum is 28.

The square root of 274258 is about 523.6964769788. The cubic root of 274258 is about 64.9710324573.

The spelling of 274258 in words is "two hundred seventy-four thousand, two hundred fifty-eight".