274668645 has 16 divisors (see below), whose sum is σ = 458577792. Its totient is φ = 140120640.

The previous prime is 274668623. The next prime is 274668661. The reversal of 274668645 is 546866472.

It is not a de Polignac number, because 274668645 - 2⁵ = 274668613 is a prime.

It is a super-2 number, since 2×274668645² = 150885729092272050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 274668594 and 274668603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397726 + ... + 398415.

It is an arithmetic number, because the mean of its divisors is an integer number (28661112).

Almost surely, 2^274668645 is an apocalyptic number.

It is an amenable number.

274668645 is a deficient number, since it is larger than the sum of its proper divisors (183909147).

274668645 is a wasteful number, since it uses less digits than its factorization.

274668645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796172.

The product of its digits is 1935360, while the sum is 48.

The square root of 274668645 is about 16573.1302112787. The cubic root of 274668645 is about 650.0344321011.

The spelling of 274668645 in words is "two hundred seventy-four million, six hundred sixty-eight thousand, six hundred forty-five".