745527799 has 4 divisors (see below), whose sum is σ = 747226480. Its totient is φ = 743829120.

The previous prime is 745527793. The next prime is 745527803. The reversal of 745527799 is 997725547.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 745527799 - 2³ = 745527791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745527791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848682 + ... + 849559.

It is an arithmetic number, because the mean of its divisors is an integer number (186806620).

Almost surely, 2^745527799 is an apocalyptic number.

745527799 is a deficient number, since it is larger than the sum of its proper divisors (1698681).

745527799 is a wasteful number, since it uses less digits than its factorization.

745527799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698680.

The product of its digits is 5556600, while the sum is 55.

The square root of 745527799 is about 27304.3549456859. The cubic root of 745527799 is about 906.7507997697.

The spelling of 745527799 in words is "seven hundred forty-five million, five hundred twenty-seven thousand, seven hundred ninety-nine".