745404206 has 8 divisors (see below), whose sum is σ = 1118223144. Its totient is φ = 372663160.

The previous prime is 745404193. The next prime is 745404211. The reversal of 745404206 is 602404547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22856 + ... + 44868.

It is an arithmetic number, because the mean of its divisors is an integer number (139777893).

Almost surely, 2^745404206 is an apocalyptic number.

745404206 is a deficient number, since it is larger than the sum of its proper divisors (372818938).

745404206 is a wasteful number, since it uses less digits than its factorization.

745404206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38946.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 745404206 is about 27302.0916048569. The cubic root of 745404206 is about 906.7006901940.

The spelling of 745404206 in words is "seven hundred forty-five million, four hundred four thousand, two hundred six".