805407745 has 16 divisors (see below), whose sum is σ = 1018902528. Its totient is φ = 610269120.

The previous prime is 805407727. The next prime is 805407763. The reversal of 805407745 is 547704508.

It is an interprime number because it is at equal distance from previous prime (805407727) and next prime (805407763).

It is not a de Polignac number, because 805407745 - 2⁹ = 805407233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 805407698 and 805407707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47994 + ... + 62563.

It is an arithmetic number, because the mean of its divisors is an integer number (63681408).

Almost surely, 2^805407745 is an apocalyptic number.

It is an amenable number.

805407745 is a deficient number, since it is larger than the sum of its proper divisors (213494783).

805407745 is a wasteful number, since it uses less digits than its factorization.

805407745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110640.

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 805407745 is about 28379.7065700123. The cubic root of 805407745 is about 930.4047819773.

The spelling of 805407745 in words is "eight hundred five million, four hundred seven thousand, seven hundred forty-five".