772211132 has 48 divisors (see below), whose sum is σ = 1691407872. Its totient is φ = 299686080.

The previous prime is 772211093. The next prime is 772211149. The reversal of 772211132 is 231112277.

It is a congruent number.

It is an unprimeable number.

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, 76238 + ... + 85770.

It is an arithmetic number, because the mean of its divisors is an integer number (35237664).

Almost surely, 2^772211132 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 772211132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (845703936).

772211132 is an abundant number, since it is smaller than the sum of its proper divisors (919196740).

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

772211132 is a wasteful number, since it uses less digits than its factorization.

772211132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9818 (or 9816 counting only the distinct ones).

The product of its digits is 1176, while the sum is 26.

The square root of 772211132 is about 27788.6871226404. The cubic root of 772211132 is about 917.4421436194.

The spelling of 772211132 in words is "seven hundred seventy-two million, two hundred eleven thousand, one hundred thirty-two".