2730456 has 32 divisors (see below), whose sum is σ = 7585200. Its totient is φ = 910080.

The previous prime is 2730443. The next prime is 2730487. The reversal of 2730456 is 6540372.

It is a happy number.

2730456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6105 + ... + 6536.

2^2730456 is an apocalyptic number.

It is an amenable number.

2730456 is an abundant number, since it is smaller than the sum of its proper divisors (4854744).

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

2730456 is a wasteful number, since it uses less digits than its factorization.

2730456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12656 (or 12646 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2730456 is about 1652.4091503015. The cubic root of 2730456 is about 139.7692798457.

The spelling of 2730456 in words is "two million, seven hundred thirty thousand, four hundred fifty-six".