745330087673 has 4 divisors (see below), whose sum is σ = 755540088948. Its totient is φ = 735120086400.

The previous prime is 745330087613. The next prime is 745330087741. The reversal of 745330087673 is 376780033547.

745330087673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 183777688249 + 561552399424 = 428693^2 + 749368^2 .

It is a cyclic number.

It is not a de Polignac number, because 745330087673 - 2⁸ = 745330087417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745330087613) 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, 5105000528 + ... + 5105000673.

It is an arithmetic number, because the mean of its divisors is an integer number (188885022237).

Almost surely, 2^745330087673 is an apocalyptic number.

745330087673 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

745330087673 is a deficient number, since it is larger than the sum of its proper divisors (10210001275).

745330087673 is a wasteful number, since it uses less digits than its factorization.

745330087673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10210001274.

The product of its (nonzero) digits is 8890560, while the sum is 53.

The spelling of 745330087673 in words is "seven hundred forty-five billion, three hundred thirty million, eighty-seven thousand, six hundred seventy-three".