745037641 has 4 divisors (see below), whose sum is σ = 745092292. Its totient is φ = 744982992.

The previous prime is 745037627. The next prime is 745037659. The reversal of 745037641 is 146730547.

745037641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 702462016 + 42575625 = 26504^2 + 6525^2 .

It is a cyclic number.

It is not a de Polignac number, because 745037641 - 2¹¹ = 745035593 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 745037641.

It is not an unprimeable number, because it can be changed into a prime (745037621) 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, 11755 + ... + 40351.

It is an arithmetic number, because the mean of its divisors is an integer number (186273073).

Almost surely, 2^745037641 is an apocalyptic number.

It is an amenable number.

745037641 is a deficient number, since it is larger than the sum of its proper divisors (54651).

745037641 is a wasteful number, since it uses less digits than its factorization.

745037641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54650.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 745037641 is about 27295.3776489720. The cubic root of 745037641 is about 906.5520374082.

The spelling of 745037641 in words is "seven hundred forty-five million, thirty-seven thousand, six hundred forty-one".