274942 has 16 divisors (see below), whose sum is σ = 443520. Its totient is φ = 127512.

The previous prime is 274931. The next prime is 274943. The reversal of 274942 is 249472.

It is a self number, because there is not a number n which added to its sum of digits gives 274942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1909 + ... + 2047.

It is an arithmetic number, because the mean of its divisors is an integer number (27720).

2²⁷⁴⁹⁴² is an apocalyptic number.

274942 is a deficient number, since it is larger than the sum of its proper divisors (168578).

274942 is a wasteful number, since it uses less digits than its factorization.

274942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207.

The product of its digits is 4032, while the sum is 28.

The square root of 274942 is about 524.3491203387. The cubic root of 274942 is about 65.0250002451.

The spelling of 274942 in words is "two hundred seventy-four thousand, nine hundred forty-two".