772330205 has 4 divisors (see below), whose sum is σ = 926796252. Its totient is φ = 617864160.

The previous prime is 772330177. The next prime is 772330219. The reversal of 772330205 is 502033277.

772330205 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.

It can be written as a sum of positive squares in 2 ways, for example, as 380211001 + 392119204 = 19499^2 + 19802^2 .

It is a de Polignac number, because none of the positive numbers 2^k-772330205 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77233016 + ... + 77233025.

It is an arithmetic number, because the mean of its divisors is an integer number (231699063).

Almost surely, 2^772330205 is an apocalyptic number.

It is an amenable number.

772330205 is a deficient number, since it is larger than the sum of its proper divisors (154466047).

772330205 is a wasteful number, since it uses less digits than its factorization.

772330205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154466046.

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 772330205 is about 27790.8295126288. The cubic root of 772330205 is about 917.4892969472.

The spelling of 772330205 in words is "seven hundred seventy-two million, three hundred thirty thousand, two hundred five".