732775056661 has 4 divisors (see below), whose sum is σ = 733520505312. Its totient is φ = 732029608012.

The previous prime is 732775056653. The next prime is 732775056677. The reversal of 732775056661 is 166650577237.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 732775056661 - 2³ = 732775056653 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 (732775056631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372722851 + ... + 372724816.

It is an arithmetic number, because the mean of its divisors is an integer number (183380126328).

Almost surely, 2^732775056661 is an apocalyptic number.

It is an amenable number.

732775056661 is a deficient number, since it is larger than the sum of its proper divisors (745448651).

732775056661 is an equidigital number, since it uses as much as digits as its factorization.

732775056661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745448650.

The product of its (nonzero) digits is 11113200, while the sum is 55.

The spelling of 732775056661 in words is "seven hundred thirty-two billion, seven hundred seventy-five million, fifty-six thousand, six hundred sixty-one".