2730434 has 16 divisors (see below), whose sum is σ = 4729536. Its totient is φ = 1158000.

The previous prime is 2730397. The next prime is 2730439. The reversal of 2730434 is 4340372.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449 + ... + 2379.

It is an arithmetic number, because the mean of its divisors is an integer number (295596).

2^2730434 is an apocalyptic number.

2730434 is a deficient number, since it is larger than the sum of its proper divisors (1999102).

2730434 is a wasteful number, since it uses less digits than its factorization.

2730434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 2730434 is about 1652.4024933411. The cubic root of 2730434 is about 139.7689044588.

The spelling of 2730434 in words is "two million, seven hundred thirty thousand, four hundred thirty-four".