32530772773 has 4 divisors (see below), whose sum is σ = 34444347660. Its totient is φ = 30617197888.

The previous prime is 32530772767. The next prime is 32530772779. The reversal of 32530772773 is 37727703523.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37727703523 = 61 ⋅618486943.

It is an interprime number because it is at equal distance from previous prime (32530772767) and next prime (32530772779).

It can be written as a sum of positive squares in 2 ways, for example, as 9533960164 + 22996812609 = 97642^2 + 151647^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32530772773 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 (32530772779) 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, 956787418 + ... + 956787451.

It is an arithmetic number, because the mean of its divisors is an integer number (8611086915).

Almost surely, 2^32530772773 is an apocalyptic number.

It is an amenable number.

32530772773 is a deficient number, since it is larger than the sum of its proper divisors (1913574887).

32530772773 is a wasteful number, since it uses less digits than its factorization.

32530772773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913574886.

The product of its (nonzero) digits is 1296540, while the sum is 46.

The spelling of 32530772773 in words is "thirty-two billion, five hundred thirty million, seven hundred seventy-two thousand, seven hundred seventy-three".