745589563 has 4 divisors (see below), whose sum is σ = 748341088. Its totient is φ = 742838040.

The previous prime is 745589561. The next prime is 745589567. The reversal of 745589563 is 365985547.

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 745589563 - 2¹ = 745589561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 745589563.

It is not an unprimeable number, because it can be changed into a prime (745589561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1375356 + ... + 1375897.

It is an arithmetic number, because the mean of its divisors is an integer number (187085272).

Almost surely, 2^745589563 is an apocalyptic number.

745589563 is a deficient number, since it is larger than the sum of its proper divisors (2751525).

745589563 is a wasteful number, since it uses less digits than its factorization.

745589563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751524.

The product of its digits is 4536000, while the sum is 52.

The square root of 745589563 is about 27305.4859506290. The cubic root of 745589563 is about 906.7758393055.

The spelling of 745589563 in words is "seven hundred forty-five million, five hundred eighty-nine thousand, five hundred sixty-three".