2731734 has 24 divisors (see below), whose sum is σ = 6046560. Its totient is φ = 890928.

The previous prime is 2731721. The next prime is 2731739. The reversal of 2731734 is 4371372.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2731698 and 2731707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731739) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 769 + ... + 2460.

It is an arithmetic number, because the mean of its divisors is an integer number (251940).

2^2731734 is an apocalyptic number.

2731734 is an abundant number, since it is smaller than the sum of its proper divisors (3314826).

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

2731734 is a wasteful number, since it uses less digits than its factorization.

2731734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284 (or 3281 counting only the distinct ones).

The product of its digits is 3528, while the sum is 27.

The square root of 2731734 is about 1652.7958131602. The cubic root of 2731734 is about 139.7910829534.

The spelling of 2731734 in words is "two million, seven hundred thirty-one thousand, seven hundred thirty-four".