745684945705 has 32 divisors (see below), whose sum is σ = 1025235763200. Its totient is φ = 510036979392.

The previous prime is 745684945693. The next prime is 745684945711. The reversal of 745684945705 is 507549486547.

745684945705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 745684945705 - 2³⁵ = 711325207337 is a prime.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32186916 + ... + 32210074.

It is an arithmetic number, because the mean of its divisors is an integer number (32038617600).

Almost surely, 2^745684945705 is an apocalyptic number.

It is an amenable number.

745684945705 is a deficient number, since it is larger than the sum of its proper divisors (279550817495).

745684945705 is a wasteful number, since it uses less digits than its factorization.

745684945705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25453.

The product of its (nonzero) digits is 169344000, while the sum is 64.

The spelling of 745684945705 in words is "seven hundred forty-five billion, six hundred eighty-four million, nine hundred forty-five thousand, seven hundred five".