75773022361 has 3 divisors (see below), whose sum is σ = 75773297631. Its totient is φ = 75772747092.

The previous prime is 75773022349. The next prime is 75773022383. The reversal of 75773022361 is 16322037757.

The square root of 75773022361 is 275269.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 63035642761 + 12737379600 = 251069^2 + 112860^2 .

It is not a de Polignac number, because 75773022361 - 2²⁹ = 75236151449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75773022341) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 137635 + ... + 412903.

It is an arithmetic number, because the mean of its divisors is an integer number (25257765877).

Almost surely, 2^75773022361 is an apocalyptic number.

75773022361 is the 275269-th square number.

75773022361 is the 137635-th centered octagonal number.

It is an amenable number.

75773022361 is a deficient number, since it is larger than the sum of its proper divisors (275270).

75773022361 is an frugal number, since it uses more digits than its factorization.

75773022361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550538 (or 275269 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 43.

The spelling of 75773022361 in words is "seventy-five billion, seven hundred seventy-three million, twenty-two thousand, three hundred sixty-one".