274342887 has 24 divisors (see below), whose sum is σ = 487722144. Its totient is φ = 144707904.

The previous prime is 274342883. The next prime is 274342907. The reversal of 274342887 is 788243472.

It is not a de Polignac number, because 274342887 - 2² = 274342883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274342883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166668 + ... + 168305.

It is an arithmetic number, because the mean of its divisors is an integer number (20321756).

Almost surely, 2^274342887 is an apocalyptic number.

274342887 is a deficient number, since it is larger than the sum of its proper divisors (213379257).

274342887 is a wasteful number, since it uses less digits than its factorization.

274342887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334999 (or 334996 counting only the distinct ones).

The product of its digits is 602112, while the sum is 45.

The square root of 274342887 is about 16563.2993995762. The cubic root of 274342887 is about 649.7773493831. Note that the first 3 decimals are identical.

The spelling of 274342887 in words is "two hundred seventy-four million, three hundred forty-two thousand, eight hundred eighty-seven".