240913073 has 4 divisors (see below), whose sum is σ = 242136180. Its totient is φ = 239689968.

The previous prime is 240913033. The next prime is 240913129. The reversal of 240913073 is 370319042.

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

It can be written as a sum of positive squares in 2 ways, for example, as 206008609 + 34904464 = 14353^2 + 5908^2 .

It is a cyclic number.

It is not a de Polignac number, because 240913073 - 2⁶ = 240913009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240913033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611258 + ... + 611651.

It is an arithmetic number, because the mean of its divisors is an integer number (60534045).

Almost surely, 2^240913073 is an apocalyptic number.

It is an amenable number.

240913073 is a deficient number, since it is larger than the sum of its proper divisors (1223107).

240913073 is a wasteful number, since it uses less digits than its factorization.

240913073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223106.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 240913073 is about 15521.3747136006. The cubic root of 240913073 is about 622.2335955699.

The spelling of 240913073 in words is "two hundred forty million, nine hundred thirteen thousand, seventy-three".