745872323 has 8 divisors (see below), whose sum is σ = 852688992.
Its totient is φ = 639121536.
The previous prime is 745872299. The next prime is 745872329. The reversal of 745872323 is 323278547.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 745872323 - 210 = 745871299 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (745872329) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10811 + ... + 40107.
It is an arithmetic number, because the mean of its divisors is an integer number (106586124).
Almost surely, 2745872323 is an apocalyptic number.
745872323 is a deficient number, since it is larger than the sum of its proper divisors (106816669).
745872323 is a wasteful number, since it uses less digits than its factorization.
745872323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32941.
The product of its digits is 282240, while the sum is 41.
The square root of 745872323 is about 27310.6631739326.
The cubic root of 745872323 is about 906.8904544339.
The spelling of 745872323 in words is "seven hundred forty-five million, eight hundred seventy-two thousand, three hundred twenty-three".