274066857 has 6 divisors (see below), whose sum is σ = 395874362. Its totient is φ = 182711232.

The previous prime is 274066841. The next prime is 274066883. The reversal of 274066857 is 758660472.

It can be written as a sum of positive squares in only one way, i.e., 154032921 + 120033936 = 12411^2 + 10956^2 .

It is not a de Polignac number, because 274066857 - 2⁴ = 274066841 is a prime.

It is a super-2 number, since 2×274066857² = 150225284211716898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274066817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15225928 + ... + 15225945.

Almost surely, 2^274066857 is an apocalyptic number.

It is an amenable number.

274066857 is a deficient number, since it is larger than the sum of its proper divisors (121807505).

274066857 is a wasteful number, since it uses less digits than its factorization.

274066857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30451879 (or 30451876 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 274066857 is about 16554.9647236109. The cubic root of 274066857 is about 649.5593518363.

The spelling of 274066857 in words is "two hundred seventy-four million, sixty-six thousand, eight hundred fifty-seven".