306274 has 4 divisors (see below), whose sum is σ = 459414. Its totient is φ = 153136.

The previous prime is 306263. The next prime is 306301. The reversal of 306274 is 472603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 472603 = 197 ⋅2399.

It can be written as a sum of positive squares in only one way, i.e., 165649 + 140625 = 407^2 + 375^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 3¹¹ + 0 + 2⁷ + 6⁶ + 7⁵ + 4⁸ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76567 + ... + 76570.

2³⁰⁶²⁷⁴ is an apocalyptic number.

306274 is a deficient number, since it is larger than the sum of its proper divisors (153140).

306274 is a wasteful number, since it uses less digits than its factorization.

306274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153139.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 306274 is about 553.4202742943. The cubic root of 306274 is about 67.4067482317.

Adding to 306274 its reverse (472603), we get a palindrome (778877).

It can be divided in two parts, 3062 and 74, that added together give a square (3136 = 56²).

The spelling of 306274 in words is "three hundred six thousand, two hundred seventy-four".