274729 has 8 divisors (see below), whose sum is σ = 338240. Its totient is φ = 217296.

The previous prime is 274723. The next prime is 274739. The reversal of 274729 is 927472.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 274729 - 2⁵ = 274697 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 274729.

It is not an unprimeable number, because it can be changed into a prime (274723) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1419 + ... + 1600.

It is an arithmetic number, because the mean of its divisors is an integer number (42280).

2²⁷⁴⁷²⁹ is an apocalyptic number.

It is an amenable number.

274729 is a deficient number, since it is larger than the sum of its proper divisors (63511).

274729 is a wasteful number, since it uses less digits than its factorization.

274729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039.

The product of its digits is 7056, while the sum is 31.

The square root of 274729 is about 524.1459720345. The cubic root of 274729 is about 65.0082040927.

The spelling of 274729 in words is "two hundred seventy-four thousand, seven hundred twenty-nine".