240073247 has 4 divisors (see below), whose sum is σ = 244008936. Its totient is φ = 236137560.

The previous prime is 240073231. The next prime is 240073271. The reversal of 240073247 is 742370042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240073247 - 2⁴ = 240073231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240073277) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1967753 + ... + 1967874.

It is an arithmetic number, because the mean of its divisors is an integer number (61002234).

Almost surely, 2^240073247 is an apocalyptic number.

240073247 is a deficient number, since it is larger than the sum of its proper divisors (3935689).

240073247 is an equidigital number, since it uses as much as digits as its factorization.

240073247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3935688.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 240073247 is about 15494.2972412433. The cubic root of 240073247 is about 621.5097157212.

The spelling of 240073247 in words is "two hundred forty million, seventy-three thousand, two hundred forty-seven".