772690129 has 16 divisors (see below), whose sum is σ = 833188608. Its totient is φ = 714681792.

The previous prime is 772690117. The next prime is 772690151. The reversal of 772690129 is 921096277.

It is a cyclic number.

It is not a de Polignac number, because 772690129 - 2¹⁹ = 772165841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (772690109) 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 15 ways as a sum of consecutive naturals, for example, 139399 + ... + 144835.

It is an arithmetic number, because the mean of its divisors is an integer number (52074288).

Almost surely, 2^772690129 is an apocalyptic number.

It is an amenable number.

772690129 is a deficient number, since it is larger than the sum of its proper divisors (60498479).

772690129 is a wasteful number, since it uses less digits than its factorization.

772690129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5664.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 772690129 is about 27797.3043477241. The cubic root of 772690129 is about 917.6317986609.

The spelling of 772690129 in words is "seven hundred seventy-two million, six hundred ninety thousand, one hundred twenty-nine".