274874085 has 12 divisors (see below), whose sum is σ = 476448492. Its totient is φ = 146599488.

The previous prime is 274874077. The next prime is 274874087. The reversal of 274874085 is 580478472.

It can be written as a sum of positive squares in 2 ways, for example, as 154181889 + 120692196 = 12417^2 + 10986^2 .

It is not a de Polignac number, because 274874085 - 2³ = 274874077 is a prime.

It is a super-3 number, since 3×274874085³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 6108313 = 274874085 / (2 + 7 + 4 + 8 + 7 + 4 + 0 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 274874085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274874087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3054112 + ... + 3054201.

It is an arithmetic number, because the mean of its divisors is an integer number (39704041).

Almost surely, 2^274874085 is an apocalyptic number.

It is an amenable number.

274874085 is a deficient number, since it is larger than the sum of its proper divisors (201574407).

274874085 is a wasteful number, since it uses less digits than its factorization.

274874085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6108324 (or 6108321 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The square root of 274874085 is about 16579.3270370061. The cubic root of 274874085 is about 650.1964573816.

The spelling of 274874085 in words is "two hundred seventy-four million, eight hundred seventy-four thousand, eighty-five".