740816863 has 2 divisors, whose sum is σ = 740816864. Its totient is φ = 740816862.

The previous prime is 740816779. The next prime is 740816873. The reversal of 740816863 is 368618047.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 740816863 - 2¹³ = 740808671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (740816873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370408431 + 370408432.

It is an arithmetic number, because the mean of its divisors is an integer number (370408432).

Almost surely, 2^740816863 is an apocalyptic number.

740816863 is a deficient number, since it is larger than the sum of its proper divisors (1).

740816863 is an equidigital number, since it uses as much as digits as its factorization.

740816863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 740816863 is about 27217.9511168640. The cubic root of 740816863 is about 904.8368652769.

The spelling of 740816863 in words is "seven hundred forty million, eight hundred sixteen thousand, eight hundred sixty-three".