745746771 has 16 divisors (see below), whose sum is σ = 1239683328. Its totient is φ = 387400800.

The previous prime is 745746739. The next prime is 745746773. The reversal of 745746771 is 177647547.

745746771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 745746771 - 2⁵ = 745746739 is a prime.

It is a super-2 number, since 2×745746771² = 1112276492913852882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 745746771.

It is not an unprimeable number, because it can be changed into a prime (745746773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1613940 + ... + 1614401.

It is an arithmetic number, because the mean of its divisors is an integer number (77480208).

Almost surely, 2^745746771 is an apocalyptic number.

745746771 is a deficient number, since it is larger than the sum of its proper divisors (493936557).

745746771 is a wasteful number, since it uses less digits than its factorization.

745746771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3228362.

The product of its digits is 1152480, while the sum is 48.

The square root of 745746771 is about 27308.3644878268. The cubic root of 745746771 is about 906.8395662339.

The spelling of 745746771 in words is "seven hundred forty-five million, seven hundred forty-six thousand, seven hundred seventy-one".