773312243 has 4 divisors (see below), whose sum is σ = 843613368. Its totient is φ = 703011120.

The previous prime is 773312213. The next prime is 773312273. The reversal of 773312243 is 342213377.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342213377 = 11 ⋅31110307.

It is an interprime number because it is at equal distance from previous prime (773312213) and next prime (773312273).

It is a cyclic number.

It is not a de Polignac number, because 773312243 - 2¹⁰ = 773311219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (773312203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35150546 + ... + 35150567.

It is an arithmetic number, because the mean of its divisors is an integer number (210903342).

Almost surely, 2^773312243 is an apocalyptic number.

773312243 is a deficient number, since it is larger than the sum of its proper divisors (70301125).

773312243 is a wasteful number, since it uses less digits than its factorization.

773312243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70301124.

The product of its digits is 21168, while the sum is 32.

The square root of 773312243 is about 27808.4922820350. The cubic root of 773312243 is about 917.8780027677.

The spelling of 773312243 in words is "seven hundred seventy-three million, three hundred twelve thousand, two hundred forty-three".