2742187 has 12 divisors (see below), whose sum is σ = 3217536. Its totient is φ = 2330160.

The previous prime is 2742163. The next prime is 2742197. The reversal of 2742187 is 7812472.

It is not a de Polignac number, because 2742187 - 2¹¹ = 2740139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2742127) 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, 9213 + ... + 9505.

It is an arithmetic number, because the mean of its divisors is an integer number (268128).

2^2742187 is an apocalyptic number.

2742187 is a deficient number, since it is larger than the sum of its proper divisors (475349).

2742187 is a wasteful number, since it uses less digits than its factorization.

2742187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 491 counting only the distinct ones).

The product of its digits is 6272, while the sum is 31.

The square root of 2742187 is about 1655.9550114662. The cubic root of 2742187 is about 139.9691598735.

The spelling of 2742187 in words is "two million, seven hundred forty-two thousand, one hundred eighty-seven".