763728685 has 16 divisors (see below), whose sum is σ = 957594240. Its totient is φ = 583640640.

The previous prime is 763728673. The next prime is 763728737. The reversal of 763728685 is 586827367.

763728685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 763728685 - 2¹¹ = 763726637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91330 + ... + 99340.

It is an arithmetic number, because the mean of its divisors is an integer number (59849640).

Almost surely, 2^763728685 is an apocalyptic number.

It is an amenable number.

763728685 is a deficient number, since it is larger than the sum of its proper divisors (193865555).

763728685 is a wasteful number, since it uses less digits than its factorization.

763728685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8868.

The product of its digits is 3386880, while the sum is 52.

The square root of 763728685 is about 27635.6415702621. The cubic root of 763728685 is about 914.0705164037.

It can be divided in two parts, 76 and 3728685, that added together give a square (3728761 = 1931²).

The spelling of 763728685 in words is "seven hundred sixty-three million, seven hundred twenty-eight thousand, six hundred eighty-five".