773221713 has 16 divisors (see below), whose sum is σ = 1125709056. Its totient is φ = 468193040.

The previous prime is 773221711. The next prime is 773221723. The reversal of 773221713 is 317122377.

773221713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 773221713 - 2¹ = 773221711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (773221711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28306 + ... + 48452.

It is an arithmetic number, because the mean of its divisors is an integer number (70356816).

Almost surely, 2^773221713 is an apocalyptic number.

It is an amenable number.

773221713 is a deficient number, since it is larger than the sum of its proper divisors (352487343).

773221713 is a wasteful number, since it uses less digits than its factorization.

773221713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21324.

The product of its digits is 12348, while the sum is 33.

The square root of 773221713 is about 27806.8644942216. The cubic root of 773221713 is about 917.8421833691.

The spelling of 773221713 in words is "seven hundred seventy-three million, two hundred twenty-one thousand, seven hundred thirteen".