772510066 has 8 divisors (see below), whose sum is σ = 1158883164. Its totient is φ = 386215680.

The previous prime is 772510051. The next prime is 772510097. The reversal of 772510066 is 660015277.

It can be written as a sum of positive squares in 2 ways, for example, as 771672841 + 837225 = 27779^2 + 915^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 27106 + ... + 47746.

Almost surely, 2^772510066 is an apocalyptic number.

772510066 is a deficient number, since it is larger than the sum of its proper divisors (386373098).

772510066 is a wasteful number, since it uses less digits than its factorization.

772510066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39356.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 772510066 is about 27794.0653017870. The cubic root of 772510066 is about 917.5605133487.

The spelling of 772510066 in words is "seven hundred seventy-two million, five hundred ten thousand, sixty-six".