1772782132 has 72 divisors (see below), whose sum is σ = 3583798848. Its totient is φ = 765262080.

The previous prime is 1772782079. The next prime is 1772782133. The reversal of 1772782132 is 2312872771.

Its product of digits (65856) is a multiple of the sum of its prime divisors (1176).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1772782133) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1814028 + ... + 1815004.

It is an arithmetic number, because the mean of its divisors is an integer number (49774984).

Almost surely, 2^1772782132 is an apocalyptic number.

It is an amenable number.

1772782132 is an abundant number, since it is smaller than the sum of its proper divisors (1811016716).

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

1772782132 is a wasteful number, since it uses less digits than its factorization.

1772782132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189 (or 1176 counting only the distinct ones).

The product of its digits is 65856, while the sum is 40.

The square root of 1772782132 is about 42104.4193879930. The cubic root of 1772782132 is about 1210.2779526747.

The spelling of 1772782132 in words is "one billion, seven hundred seventy-two million, seven hundred eighty-two thousand, one hundred thirty-two".