1772266132 has 48 divisors (see below), whose sum is σ = 3863244672. Its totient is φ = 692657280.

The previous prime is 1772266117. The next prime is 1772266141. The reversal of 1772266132 is 2316622771.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1772266091 and 1772266100.

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, 882 + ... + 59542.

It is an arithmetic number, because the mean of its divisors is an integer number (80484264).

Almost surely, 2^1772266132 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 1772266132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1931622336).

1772266132 is an abundant number, since it is smaller than the sum of its proper divisors (2090978540).

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

1772266132 is a wasteful number, since it uses less digits than its factorization.

1772266132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58768 (or 58766 counting only the distinct ones).

The product of its digits is 42336, while the sum is 37.

The square root of 1772266132 is about 42098.2913192448. The cubic root of 1772266132 is about 1210.1605169197.

The spelling of 1772266132 in words is "one billion, seven hundred seventy-two million, two hundred sixty-six thousand, one hundred thirty-two".