274730 has 16 divisors (see below), whose sum is σ = 501984. Its totient is φ = 108240.

The previous prime is 274723. The next prime is 274739. The reversal of 274730 is 37472.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 274696 and 274705.

It is not an unprimeable number, because it can be changed into a prime (274739) 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, 665 + ... + 995.

It is an arithmetic number, because the mean of its divisors is an integer number (31374).

2²⁷⁴⁷³⁰ is an apocalyptic number.

274730 is a deficient number, since it is larger than the sum of its proper divisors (227254).

274730 is a wasteful number, since it uses less digits than its factorization.

274730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 274730 is about 524.1469259664. The cubic root of 274730 is about 65.0082829681.

The spelling of 274730 in words is "two hundred seventy-four thousand, seven hundred thirty".