745717740212 has 24 divisors (see below), whose sum is σ = 1363666214400. Its totient is φ = 356144554656.

The previous prime is 745717740139. The next prime is 745717740289. The reversal of 745717740212 is 212047717547.

It is a happy number.

745717740212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5651012 + ... + 5781467.

It is an arithmetic number, because the mean of its divisors is an integer number (56819425600).

Almost surely, 2^745717740212 is an apocalyptic number.

It is an amenable number.

745717740212 is a deficient number, since it is larger than the sum of its proper divisors (617948474188).

745717740212 is a wasteful number, since it uses less digits than its factorization.

745717740212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11433215 (or 11433213 counting only the distinct ones).

The product of its (nonzero) digits is 768320, while the sum is 47.

The spelling of 745717740212 in words is "seven hundred forty-five billion, seven hundred seventeen million, seven hundred forty thousand, two hundred twelve".