745140836 has 24 divisors (see below), whose sum is σ = 1423306080. Its totient is φ = 338518400.

The previous prime is 745140829. The next prime is 745140853. The reversal of 745140836 is 638041547.

745140836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 745140836.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111551 + ... + 118041.

It is an arithmetic number, because the mean of its divisors is an integer number (59304420).

Almost surely, 2^745140836 is an apocalyptic number.

It is an amenable number.

745140836 is a deficient number, since it is larger than the sum of its proper divisors (678165244).

745140836 is a wasteful number, since it uses less digits than its factorization.

745140836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9115 (or 9113 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 745140836 is about 27297.2679219002. The cubic root of 745140836 is about 906.5938909171.

The spelling of 745140836 in words is "seven hundred forty-five million, one hundred forty thousand, eight hundred thirty-six".