772758632 has 16 divisors (see below), whose sum is σ = 1450135140. Its totient is φ = 386055936.

The previous prime is 772758619. The next prime is 772758677. The reversal of 772758632 is 236857277.

772758632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 674233156 + 98525476 = 25966^2 + 9926^2 .

It is a super-2 number, since 2×772758632² = 1194311806661022848, which contains 22 as substring.

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, 30113 + ... + 49520.

Almost surely, 2^772758632 is an apocalyptic number.

It is an amenable number.

772758632 is a deficient number, since it is larger than the sum of its proper divisors (677376508).

772758632 is a wasteful number, since it uses less digits than its factorization.

772758632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80852 (or 80848 counting only the distinct ones).

The product of its digits is 987840, while the sum is 47.

The square root of 772758632 is about 27798.5365082409. The cubic root of 772758632 is about 917.6589154706.

The spelling of 772758632 in words is "seven hundred seventy-two million, seven hundred fifty-eight thousand, six hundred thirty-two".