745715811 has 4 divisors (see below), whose sum is σ = 994287752. Its totient is φ = 497143872.

The previous prime is 745715783. The next prime is 745715843. The reversal of 745715811 is 118517547.

745715811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 745715811 - 2⁵ = 745715779 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 745715811.

It is not an unprimeable number, because it can be changed into a prime (745715891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124285966 + ... + 124285971.

It is an arithmetic number, because the mean of its divisors is an integer number (248571938).

Almost surely, 2^745715811 is an apocalyptic number.

745715811 is a deficient number, since it is larger than the sum of its proper divisors (248571941).

745715811 is a wasteful number, since it uses less digits than its factorization.

745715811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248571940.

The product of its digits is 39200, while the sum is 39.

The square root of 745715811 is about 27307.7976226572. The cubic root of 745715811 is about 906.8270167812.

The spelling of 745715811 in words is "seven hundred forty-five million, seven hundred fifteen thousand, eight hundred eleven".