240474739 has 2 divisors, whose sum is σ = 240474740. Its totient is φ = 240474738.

The previous prime is 240474721. The next prime is 240474797. The reversal of 240474739 is 937474042.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240474739 is a prime.

It is not a weakly prime, because it can be changed into another prime (240474709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120237369 + 120237370.

It is an arithmetic number, because the mean of its divisors is an integer number (120237370).

Almost surely, 2^240474739 is an apocalyptic number.

240474739 is a deficient number, since it is larger than the sum of its proper divisors (1).

240474739 is an equidigital number, since it uses as much as digits as its factorization.

240474739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 240474739 is about 15507.2479505552. The cubic root of 240474739 is about 621.8559881026.

The spelling of 240474739 in words is "two hundred forty million, four hundred seventy-four thousand, seven hundred thirty-nine".