745171216 has 40 divisors (see below), whose sum is σ = 1468725440. Its totient is φ = 366201216.

The previous prime is 745171151. The next prime is 745171223. The reversal of 745171216 is 612171547.

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, 227446 + ... + 230698.

It is an arithmetic number, because the mean of its divisors is an integer number (36718136).

Almost surely, 2^745171216 is an apocalyptic number.

It is an amenable number.

745171216 is a deficient number, since it is larger than the sum of its proper divisors (723554224).

745171216 is a wasteful number, since it uses less digits than its factorization.

745171216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503 (or 3497 counting only the distinct ones).

The product of its digits is 11760, while the sum is 34.

The square root of 745171216 is about 27297.8243821738. The cubic root of 745171216 is about 906.6062116073.

The spelling of 745171216 in words is "seven hundred forty-five million, one hundred seventy-one thousand, two hundred sixteen".