772640463 has 32 divisors (see below), whose sum is σ = 1248597504. Its totient is φ = 414876672.

The previous prime is 772640423. The next prime is 772640471. The reversal of 772640463 is 364046277.

It is not a de Polignac number, because 772640463 - 2⁸ = 772640207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772640423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293931 + ... + 296547.

It is an arithmetic number, because the mean of its divisors is an integer number (39018672).

Almost surely, 2^772640463 is an apocalyptic number.

772640463 is a deficient number, since it is larger than the sum of its proper divisors (475957041).

772640463 is a wasteful number, since it uses less digits than its factorization.

772640463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471.

The product of its (nonzero) digits is 169344, while the sum is 39.

The square root of 772640463 is about 27796.4109733613. The cubic root of 772640463 is about 917.6121374471.

The spelling of 772640463 in words is "seven hundred seventy-two million, six hundred forty thousand, four hundred sixty-three".