743320863 has 6 divisors (see below), whose sum is σ = 1073685704. Its totient is φ = 495547236.

The previous prime is 743320829. The next prime is 743320871. The reversal of 743320863 is 368023347.

It is not a de Polignac number, because 743320863 - 2⁸ = 743320607 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 (743320873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41295595 + ... + 41295612.

Almost surely, 2^743320863 is an apocalyptic number.

743320863 is a deficient number, since it is larger than the sum of its proper divisors (330364841).

743320863 is a wasteful number, since it uses less digits than its factorization.

743320863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82591213 (or 82591210 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 743320863 is about 27263.9113664933. The cubic root of 743320863 is about 905.8551842277.

The spelling of 743320863 in words is "seven hundred forty-three million, three hundred twenty thousand, eight hundred sixty-three".