773221061 has 4 divisors (see below), whose sum is σ = 806839392. Its totient is φ = 739602732.

The previous prime is 773221051. The next prime is 773221073. The reversal of 773221061 is 160122377.

773221061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 160122377 = 61 ⋅2624957.

It is a cyclic number.

It is not a de Polignac number, because 773221061 - 2¹⁰ = 773220037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (773221051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16809131 + ... + 16809176.

It is an arithmetic number, because the mean of its divisors is an integer number (201709848).

Almost surely, 2^773221061 is an apocalyptic number.

It is an amenable number.

773221061 is a deficient number, since it is larger than the sum of its proper divisors (33618331).

773221061 is a wasteful number, since it uses less digits than its factorization.

773221061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33618330.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 773221061 is about 27806.8527704953. The cubic root of 773221061 is about 917.8419253865.

The spelling of 773221061 in words is "seven hundred seventy-three million, two hundred twenty-one thousand, sixty-one".