274487868 has 18 divisors (see below), whose sum is σ = 693844424. Its totient is φ = 91495944.

The previous prime is 274487821. The next prime is 274487891. The reversal of 274487868 is 868784472.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3812296 + ... + 3812367.

Almost surely, 2^274487868 is an apocalyptic number.

It is an amenable number.

274487868 is an abundant number, since it is smaller than the sum of its proper divisors (419356556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

274487868 is a wasteful number, since it uses less digits than its factorization.

274487868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7624673 (or 7624668 counting only the distinct ones).

The product of its digits is 4816896, while the sum is 54.

The square root of 274487868 is about 16567.6753951784. The cubic root of 274487868 is about 649.8917910599.

The spelling of 274487868 in words is "two hundred seventy-four million, four hundred eighty-seven thousand, eight hundred sixty-eight".