2730234 has 64 divisors (see below), whose sum is σ = 6531840. Its totient is φ = 752640.

The previous prime is 2730229. The next prime is 2730239. The reversal of 2730234 is 4320372.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2730229) and next prime (2730239).

It is a self number, because there is not a number n which added to its sum of digits gives 2730234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38419 + ... + 38489.

It is an arithmetic number, because the mean of its divisors is an integer number (102060).

2^2730234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2730234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3265920).

2730234 is an abundant number, since it is smaller than the sum of its proper divisors (3801606).

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

2730234 is a wasteful number, since it uses less digits than its factorization.

2730234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 2730234 is about 1652.3419742898. The cubic root of 2730234 is about 139.7654917580.

It can be divided in two parts, 2 and 730234, that added together give a triangular number (730236 = T₁₂₀₈).

The spelling of 2730234 in words is "two million, seven hundred thirty thousand, two hundred thirty-four".