742811663 has 4 divisors (see below), whose sum is σ = 810340008. Its totient is φ = 675283320.

The previous prime is 742811633. The next prime is 742811717. The reversal of 742811663 is 366118247.

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

It is a cyclic number.

It is not a de Polignac number, because 742811663 - 2⁶ = 742811599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742811633) 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, 33764156 + ... + 33764177.

It is an arithmetic number, because the mean of its divisors is an integer number (202585002).

Almost surely, 2^742811663 is an apocalyptic number.

742811663 is a deficient number, since it is larger than the sum of its proper divisors (67528345).

742811663 is a wasteful number, since it uses less digits than its factorization.

742811663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67528344.

The product of its digits is 48384, while the sum is 38.

The square root of 742811663 is about 27254.5714147187. The cubic root of 742811663 is about 905.6482898032.

It can be divided in two parts, 7428 and 11663, that added together give a palindrome (19091).

The spelling of 742811663 in words is "seven hundred forty-two million, eight hundred eleven thousand, six hundred sixty-three".