745020741675605 has 16 divisors (see below), whose sum is σ = 906790240911744. Its totient is φ = 587509571463360.

The previous prime is 745020741675599. The next prime is 745020741675667. The reversal of 745020741675605 is 506576147020547.

It is a happy number.

It is not a de Polignac number, because 745020741675605 - 2⁶ = 745020741675541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198895322 + ... + 202606491.

It is an arithmetic number, because the mean of its divisors is an integer number (56674390056984).

Almost surely, 2^{745020741675605} is an apocalyptic number.

It is an amenable number.

745020741675605 is a deficient number, since it is larger than the sum of its proper divisors (161769499236139).

745020741675605 is a wasteful number, since it uses less digits than its factorization.

745020741675605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401507116.

The product of its (nonzero) digits is 49392000, while the sum is 59.

The spelling of 745020741675605 in words is "seven hundred forty-five trillion, twenty billion, seven hundred forty-one million, six hundred seventy-five thousand, six hundred five".