745368663 has 16 divisors (see below), whose sum is σ = 1099201376. Its totient is φ = 446290560.

The previous prime is 745368641. The next prime is 745368671. The reversal of 745368663 is 366863547.

It is a happy number.

It is not a de Polignac number, because 745368663 - 2⁶ = 745368599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745368623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256828 + ... + 259713.

It is an arithmetic number, because the mean of its divisors is an integer number (68700086).

Almost surely, 2^745368663 is an apocalyptic number.

745368663 is a deficient number, since it is larger than the sum of its proper divisors (353832713).

745368663 is a wasteful number, since it uses less digits than its factorization.

745368663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516594.

The product of its digits is 2177280, while the sum is 48.

The square root of 745368663 is about 27301.4406762720. The cubic root of 745368663 is about 906.6862786061.

It can be divided in two parts, 745368 and 663, that added together give a triangular number (746031 = T₁₂₂₁).

The spelling of 745368663 in words is "seven hundred forty-five million, three hundred sixty-eight thousand, six hundred sixty-three".