240032730 has 32 divisors (see below), whose sum is σ = 658376064. Its totient is φ = 54864576.

The previous prime is 240032711. The next prime is 240032759. The reversal of 240032730 is 37230042.

It is a happy number.

240032730 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×240032730² = 115231422942505800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 240032697 and 240032706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 571297 + ... + 571716.

It is an arithmetic number, because the mean of its divisors is an integer number (20574252).

Almost surely, 2^240032730 is an apocalyptic number.

240032730 is an abundant number, since it is smaller than the sum of its proper divisors (418343334).

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

240032730 is a wasteful number, since it uses less digits than its factorization.

240032730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143030.

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

The square root of 240032730 is about 15492.9897050247. The cubic root of 240032730 is about 621.4747498289.

Adding to 240032730 its reverse (37230042), we get a palindrome (277262772).

The spelling of 240032730 in words is "two hundred forty million, thirty-two thousand, seven hundred thirty".