274842164 has 18 divisors (see below), whose sum is σ = 498137094. Its totient is φ = 132680800.

The previous prime is 274842151. The next prime is 274842173. The reversal of 274842164 is 461248472.

It can be written as a sum of positive squares in 3 ways, for example, as 6210064 + 268632100 = 2492^2 + 16390^2 .

It is a super-2 number, since 2×274842164² = 151076430224405792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37487 + ... + 44214.

It is an arithmetic number, because the mean of its divisors is an integer number (27674283).

Almost surely, 2^274842164 is an apocalyptic number.

It is an amenable number.

274842164 is a deficient number, since it is larger than the sum of its proper divisors (223294930).

274842164 is a wasteful number, since it uses less digits than its factorization.

274842164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81763 (or 81732 counting only the distinct ones).

The product of its digits is 86016, while the sum is 38.

The square root of 274842164 is about 16578.3643342762. The cubic root of 274842164 is about 650.1712874029.

The spelling of 274842164 in words is "two hundred seventy-four million, eight hundred forty-two thousand, one hundred sixty-four".