745212086 has 4 divisors (see below), whose sum is σ = 1117818132. Its totient is φ = 372606042.

The previous prime is 745212073. The next prime is 745212109. The reversal of 745212086 is 680212547.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186303020 + ... + 186303023.

It is an arithmetic number, because the mean of its divisors is an integer number (279454533).

Almost surely, 2^745212086 is an apocalyptic number.

745212086 is a deficient number, since it is larger than the sum of its proper divisors (372606046).

745212086 is a wasteful number, since it uses less digits than its factorization.

745212086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372606045.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 745212086 is about 27298.5729663658. The cubic root of 745212086 is about 906.6227860167.

The spelling of 745212086 in words is "seven hundred forty-five million, two hundred twelve thousand, eighty-six".