274906 has 4 divisors (see below), whose sum is σ = 412362. Its totient is φ = 137452.

The previous prime is 274889. The next prime is 274909. The reversal of 274906 is 609472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 255025 + 19881 = 505^2 + 141^2 .

It is an Ulam number.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (274909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68725 + ... + 68728.

2²⁷⁴⁹⁰⁶ is an apocalyptic number.

274906 is a deficient number, since it is larger than the sum of its proper divisors (137456).

274906 is a wasteful number, since it uses less digits than its factorization.

274906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137455.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 274906 is about 524.3147909415. The cubic root of 274906 is about 65.0221620681.

The spelling of 274906 in words is "two hundred seventy-four thousand, nine hundred six".