745227075660 has 48 divisors (see below), whose sum is σ = 2126006307936. Its totient is φ = 194977649152.

The previous prime is 745227075653. The next prime is 745227075679. The reversal of 745227075660 is 66570722547.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 117170889 + ... + 117177248.

It is an arithmetic number, because the mean of its divisors is an integer number (44291798082).

Almost surely, 2^745227075660 is an apocalyptic number.

It is an amenable number.

745227075660 is an abundant number, since it is smaller than the sum of its proper divisors (1380779232276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745227075660 is a wasteful number, since it uses less digits than its factorization.

745227075660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234348202 (or 234348200 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 51.

The spelling of 745227075660 in words is "seven hundred forty-five billion, two hundred twenty-seven million, seventy-five thousand, six hundred sixty".