274864842 has 48 divisors (see below), whose sum is σ = 704096640. Its totient is φ = 75823776.

The previous prime is 274864831. The next prime is 274864859. The reversal of 274864842 is 248468472.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33958 + ... + 41265.

It is an arithmetic number, because the mean of its divisors is an integer number (14668680).

Almost surely, 2^274864842 is an apocalyptic number.

274864842 is an abundant number, since it is smaller than the sum of its proper divisors (429231798).

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

274864842 is a wasteful number, since it uses less digits than its factorization.

274864842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75267 (or 75264 counting only the distinct ones).

The product of its digits is 688128, while the sum is 45.

The square root of 274864842 is about 16579.0482839034. The cubic root of 274864842 is about 650.1891693983.

The spelling of 274864842 in words is "two hundred seventy-four million, eight hundred sixty-four thousand, eight hundred forty-two".