240206730 has 16 divisors (see below), whose sum is σ = 576496224. Its totient is φ = 64055120.

The previous prime is 240206717. The next prime is 240206737. The reversal of 240206730 is 37602042.

It is a self number, because there is not a number n which added to its sum of digits gives 240206730.

It is not an unprimeable number, because it can be changed into a prime (240206737) 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, 4003416 + ... + 4003475.

It is an arithmetic number, because the mean of its divisors is an integer number (36031014).

Almost surely, 2^240206730 is an apocalyptic number.

240206730 is an abundant number, since it is smaller than the sum of its proper divisors (336289494).

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

240206730 is a wasteful number, since it uses less digits than its factorization.

240206730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8006901.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 240206730 is about 15498.6041306951. The cubic root of 240206730 is about 621.6248828094.

Adding to 240206730 its reverse (37602042), we get a palindrome (277808772).

The spelling of 240206730 in words is "two hundred forty million, two hundred six thousand, seven hundred thirty".