745539320 has 32 divisors (see below), whose sum is σ = 1678255200. Its totient is φ = 298075008.

The previous prime is 745539259. The next prime is 745539323. The reversal of 745539320 is 23935547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745539323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139742 + ... + 144978.

It is an arithmetic number, because the mean of its divisors is an integer number (52445475).

Almost surely, 2^745539320 is an apocalyptic number.

It is an amenable number.

745539320 is an abundant number, since it is smaller than the sum of its proper divisors (932715880).

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

745539320 is a wasteful number, since it uses less digits than its factorization.

745539320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8807 (or 8803 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 745539320 is about 27304.5659185419. The cubic root of 745539320 is about 906.7554705646.

The spelling of 745539320 in words is "seven hundred forty-five million, five hundred thirty-nine thousand, three hundred twenty".