745547933 has 4 divisors (see below), whose sum is σ = 802897788. Its totient is φ = 688198080.

The previous prime is 745547909. The next prime is 745547969. The reversal of 745547933 is 339745547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 339745547 = 4729 ⋅71843.

It can be written as a sum of positive squares in 2 ways, for example, as 287031364 + 458516569 = 16942^2 + 21413^2 .

It is a cyclic number.

It is not a de Polignac number, because 745547933 - 2¹⁸ = 745285789 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 (745547333) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 28674908 + ... + 28674933.

It is an arithmetic number, because the mean of its divisors is an integer number (200724447).

Almost surely, 2^745547933 is an apocalyptic number.

It is an amenable number.

745547933 is a deficient number, since it is larger than the sum of its proper divisors (57349855).

745547933 is a wasteful number, since it uses less digits than its factorization.

745547933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57349854.

The product of its digits is 1587600, while the sum is 47.

The square root of 745547933 is about 27304.7236389603. The cubic root of 745547933 is about 906.7589623790.

The spelling of 745547933 in words is "seven hundred forty-five million, five hundred forty-seven thousand, nine hundred thirty-three".