745031775018 has 64 divisors (see below), whose sum is σ = 1549557983232. Its totient is φ = 238657155840.

The previous prime is 745031774947. The next prime is 745031775029. The reversal of 745031775018 is 810577130547.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3717538 + ... + 3912818.

It is an arithmetic number, because the mean of its divisors is an integer number (24211843488).

Almost surely, 2^745031775018 is an apocalyptic number.

745031775018 is an abundant number, since it is smaller than the sum of its proper divisors (804526208214).

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

745031775018 is a wasteful number, since it uses less digits than its factorization.

745031775018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195579.

The product of its (nonzero) digits is 823200, while the sum is 48.

The spelling of 745031775018 in words is "seven hundred forty-five billion, thirty-one million, seven hundred seventy-five thousand, eighteen".