240727387 has 2 divisors, whose sum is σ = 240727388. Its totient is φ = 240727386.

The previous prime is 240727381. The next prime is 240727391. The reversal of 240727387 is 783727042.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240727387 is a prime.

It is not a weakly prime, because it can be changed into another prime (240727381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120363693 + 120363694.

It is an arithmetic number, because the mean of its divisors is an integer number (120363694).

Almost surely, 2^240727387 is an apocalyptic number.

240727387 is a deficient number, since it is larger than the sum of its proper divisors (1).

240727387 is an equidigital number, since it uses as much as digits as its factorization.

240727387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 240727387 is about 15515.3919383301. The cubic root of 240727387 is about 622.0736903626.

The spelling of 240727387 in words is "two hundred forty million, seven hundred twenty-seven thousand, three hundred eighty-seven".