745756603 has 4 divisors (see below), whose sum is σ = 755196640. Its totient is φ = 736316568.

The previous prime is 745756589. The next prime is 745756621. The reversal of 745756603 is 306657547.

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 745756603 - 2²⁵ = 712202171 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 745756603.

It is not an unprimeable number, because it can be changed into a prime (745756633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4719900 + ... + 4720057.

It is an arithmetic number, because the mean of its divisors is an integer number (188799160).

Almost surely, 2^745756603 is an apocalyptic number.

745756603 is a deficient number, since it is larger than the sum of its proper divisors (9440037).

745756603 is an equidigital number, since it uses as much as digits as its factorization.

745756603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9440036.

The product of its (nonzero) digits is 529200, while the sum is 43.

The square root of 745756603 is about 27308.5445053375. The cubic root of 745756603 is about 906.8435515043.

The spelling of 745756603 in words is "seven hundred forty-five million, seven hundred fifty-six thousand, six hundred three".