745409836 has 12 divisors (see below), whose sum is σ = 1305073728. Its totient is φ = 372531632.

The previous prime is 745409723. The next prime is 745409837. The reversal of 745409836 is 638904547.

It is not an unprimeable number, because it can be changed into a prime (745409837) 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, 33391 + ... + 51046.

It is an arithmetic number, because the mean of its divisors is an integer number (108756144).

Almost surely, 2^745409836 is an apocalyptic number.

It is an amenable number.

745409836 is a deficient number, since it is larger than the sum of its proper divisors (559663892).

745409836 is a wasteful number, since it uses less digits than its factorization.

745409836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86648 (or 86646 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 745409836 is about 27302.1947103159. The cubic root of 745409836 is about 906.7029729430.

The spelling of 745409836 in words is "seven hundred forty-five million, four hundred nine thousand, eight hundred thirty-six".