745218213 has 16 divisors (see below), whose sum is σ = 1019791296. Its totient is φ = 483866240.

The previous prime is 745218197. The next prime is 745218263. The reversal of 745218213 is 312812547.

It is a cyclic number.

It is not a de Polignac number, because 745218213 - 2⁴ = 745218197 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745218263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4678 + ... + 38888.

It is an arithmetic number, because the mean of its divisors is an integer number (63736956).

Almost surely, 2^745218213 is an apocalyptic number.

It is an amenable number.

745218213 is a deficient number, since it is larger than the sum of its proper divisors (274573083).

745218213 is a wasteful number, since it uses less digits than its factorization.

745218213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34404.

The product of its digits is 13440, while the sum is 33.

The square root of 745218213 is about 27298.6851881185. The cubic root of 745218213 is about 906.6252707065.

The spelling of 745218213 in words is "seven hundred forty-five million, two hundred eighteen thousand, two hundred thirteen".