740564893 has 2 divisors, whose sum is σ = 740564894. Its totient is φ = 740564892.

The previous prime is 740564849. The next prime is 740564899. The reversal of 740564893 is 398465047.

740564893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 562021849 + 178543044 = 23707^2 + 13362^2 .

It is a cyclic number.

It is not a de Polignac number, because 740564893 - 2⁹ = 740564381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740564899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370282446 + 370282447.

It is an arithmetic number, because the mean of its divisors is an integer number (370282447).

Almost surely, 2^740564893 is an apocalyptic number.

It is an amenable number.

740564893 is a deficient number, since it is larger than the sum of its proper divisors (1).

740564893 is an equidigital number, since it uses as much as digits as its factorization.

740564893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 740564893 is about 27213.3219765614. The cubic root of 740564893 is about 904.7342679011.

The spelling of 740564893 in words is "seven hundred forty million, five hundred sixty-four thousand, eight hundred ninety-three".