540012730 has 8 divisors (see below), whose sum is σ = 972022932. Its totient is φ = 216005088.

The previous prime is 540012709. The next prime is 540012731. The reversal of 540012730 is 37210045.

540012730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 505755121 + 34257609 = 22489^2 + 5853^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×540012730² = 583227497124105800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (540012731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27000627 + ... + 27000646.

Almost surely, 2^540012730 is an apocalyptic number.

540012730 is a deficient number, since it is larger than the sum of its proper divisors (432010202).

540012730 is a wasteful number, since it uses less digits than its factorization.

540012730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54001280.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 540012730 is about 23238.1739816191. The cubic root of 540012730 is about 814.3316839164.

Adding to 540012730 its reverse (37210045), we get a palindrome (577222775).

The spelling of 540012730 in words is "five hundred forty million, twelve thousand, seven hundred thirty".