772276 has 24 divisors (see below), whose sum is σ = 1471176. Its totient is φ = 353280.

The previous prime is 772273. The next prime is 772279. The reversal of 772276 is 672277.

772276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (772273) and next prime (772279).

It can be written as a sum of positive squares in 4 ways, for example, as 4900 + 767376 = 70^2 + 876^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2650 + ... + 2926.

It is an arithmetic number, because the mean of its divisors is an integer number (61299).

2⁷⁷²²⁷⁶ is an apocalyptic number.

It is an amenable number.

772276 is a deficient number, since it is larger than the sum of its proper divisors (698900).

772276 is a wasteful number, since it uses less digits than its factorization.

772276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 337 counting only the distinct ones).

The product of its digits is 8232, while the sum is 31.

The square root of 772276 is about 878.7923531757. The cubic root of 772276 is about 91.7467832177.

Subtracting from 772276 its reverse (672277), we obtain a palindrome (99999).

The spelling of 772276 in words is "seven hundred seventy-two thousand, two hundred seventy-six".