772828372 has 12 divisors (see below), whose sum is σ = 1352645140. Its totient is φ = 386358336.

The previous prime is 772828369. The next prime is 772828373. The reversal of 772828372 is 273828277.

It can be written as a sum of positive squares in 2 ways, for example, as 256448196 + 516380176 = 16014^2 + 22724^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772828373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42904 + ... + 58192.

Almost surely, 2^772828372 is an apocalyptic number.

It is an amenable number.

772828372 is a deficient number, since it is larger than the sum of its proper divisors (579816768).

772828372 is a wasteful number, since it uses less digits than its factorization.

772828372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27930 (or 27928 counting only the distinct ones).

The product of its digits is 526848, while the sum is 46.

The square root of 772828372 is about 27799.7908625227. The cubic root of 772828372 is about 917.6865202987.

It can be divided in two parts, 7728 and 28372, that added together give a square (36100 = 190²).

The spelling of 772828372 in words is "seven hundred seventy-two million, eight hundred twenty-eight thousand, three hundred seventy-two".