745345338 has 32 divisors (see below), whose sum is σ = 1619773440. Its totient is φ = 227778480.

The previous prime is 745345333. The next prime is 745345339. The reversal of 745345338 is 833543547.

It is a self number, because there is not a number n which added to its sum of digits gives 745345338.

It is not an unprimeable number, because it can be changed into a prime (745345333) 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, 101920 + ... + 108987.

It is an arithmetic number, because the mean of its divisors is an integer number (50617920).

Almost surely, 2^745345338 is an apocalyptic number.

745345338 is an abundant number, since it is smaller than the sum of its proper divisors (874428102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745345338 is a wasteful number, since it uses less digits than its factorization.

745345338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210962.

The product of its digits is 604800, while the sum is 42.

The square root of 745345338 is about 27301.0134976707. The cubic root of 745345338 is about 906.6768207905.

The spelling of 745345338 in words is "seven hundred forty-five million, three hundred forty-five thousand, three hundred thirty-eight".