772811232 has 96 divisors (see below), whose sum is σ = 2098680192. Its totient is φ = 248861184.

The previous prime is 772811219. The next prime is 772811243. The reversal of 772811232 is 232118277.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 772811193 and 772811202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339763 + ... + 342029.

It is an arithmetic number, because the mean of its divisors is an integer number (21861252).

Almost surely, 2^772811232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 772811232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1049340096).

772811232 is an abundant number, since it is smaller than the sum of its proper divisors (1325868960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

772811232 is a wasteful number, since it uses less digits than its factorization.

772811232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400 (or 2392 counting only the distinct ones).

The product of its digits is 9408, while the sum is 33.

The square root of 772811232 is about 27799.4825851130. The cubic root of 772811232 is about 917.6797360139.

The spelling of 772811232 in words is "seven hundred seventy-two million, eight hundred eleven thousand, two hundred thirty-two".