745558606 has 16 divisors (see below), whose sum is σ = 1204999488. Its totient is φ = 343922400.

The previous prime is 745558591. The next prime is 745558631. The reversal of 745558606 is 606855547.

It is a super-3 number, since 3×745558606³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 51291 + ... + 64201.

It is an arithmetic number, because the mean of its divisors is an integer number (75312468).

Almost surely, 2^745558606 is an apocalyptic number.

745558606 is a deficient number, since it is larger than the sum of its proper divisors (459440882).

745558606 is a wasteful number, since it uses less digits than its factorization.

745558606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15147.

The product of its (nonzero) digits is 1008000, while the sum is 46.

The square root of 745558606 is about 27304.9190806345. The cubic root of 745558606 is about 906.7632893050.

The spelling of 745558606 in words is "seven hundred forty-five million, five hundred fifty-eight thousand, six hundred six".