2731742 has 16 divisors (see below), whose sum is σ = 4566240. Its totient is φ = 1216992.

The previous prime is 2731739. The next prime is 2731753. The reversal of 2731742 is 2471372.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1058 + ... + 2565.

It is an arithmetic number, because the mean of its divisors is an integer number (285390).

2^2731742 is an apocalyptic number.

2731742 is a deficient number, since it is larger than the sum of its proper divisors (1834498).

2731742 is a wasteful number, since it uses less digits than its factorization.

2731742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667.

The product of its digits is 2352, while the sum is 26.

The square root of 2731742 is about 1652.7982333001. The cubic root of 2731742 is about 139.7912194146.

The spelling of 2731742 in words is "two million, seven hundred thirty-one thousand, seven hundred forty-two".