745303077171617 has 8 divisors (see below), whose sum is σ = 750051009930600. Its totient is φ = 740555154278784.

The previous prime is 745303077171599. The next prime is 745303077171619. The reversal of 745303077171617 is 716171770303547.

It can be written as a sum of positive squares in 4 ways, for example, as 179207458411921 + 566095618759696 = 13386839^2 + 23792764^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 745303077171617 - 2⁶ = 745303077171553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745303077171619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203935559 + ... + 207557987.

It is an arithmetic number, because the mean of its divisors is an integer number (93756376241325).

Almost surely, 2^{745303077171617} is an apocalyptic number.

It is an amenable number.

745303077171617 is a deficient number, since it is larger than the sum of its proper divisors (4747932758983).

745303077171617 is a wasteful number, since it uses less digits than its factorization.

745303077171617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4933075.

The product of its (nonzero) digits is 18151560, while the sum is 59.

The spelling of 745303077171617 in words is "seven hundred forty-five trillion, three hundred three billion, seventy-seven million, one hundred seventy-one thousand, six hundred seventeen".