772727276 has 12 divisors (see below), whose sum is σ = 1352468208. Its totient is φ = 386307792.

The previous prime is 772727213. The next prime is 772727323. The reversal of 772727276 is 672727277.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 772727276.

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, 42905 + ... + 58191.

It is an arithmetic number, because the mean of its divisors is an integer number (112705684).

Almost surely, 2^772727276 is an apocalyptic number.

It is an amenable number.

772727276 is a deficient number, since it is larger than the sum of its proper divisors (579740932).

772727276 is a wasteful number, since it uses less digits than its factorization.

772727276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27928 (or 27926 counting only the distinct ones).

The product of its digits is 806736, while the sum is 47.

The square root of 772727276 is about 27797.9725159948. The cubic root of 772727276 is about 917.6465034439.

Subtracting from 772727276 its reverse (672727277), we obtain a palindrome (99999999).

It can be divided in two parts, 77272 and 7276, that added together give a palindrome (84548).

The spelling of 772727276 in words is "seven hundred seventy-two million, seven hundred twenty-seven thousand, two hundred seventy-six".