132644772 has 72 divisors (see below), whose sum is σ = 376818624. Its totient is φ = 39036096.

The previous prime is 132644627. The next prime is 132644789. The reversal of 132644772 is 277446231.

132644772 is a `hidden beast` number, since 1 + 3 + 2 + 644 + 7 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4603 + ... + 16925.

It is an arithmetic number, because the mean of its divisors is an integer number (5233592).

Almost surely, 2^132644772 is an apocalyptic number.

132644772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132644772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188409312).

132644772 is an abundant number, since it is smaller than the sum of its proper divisors (244173852).

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

132644772 is a wasteful number, since it uses less digits than its factorization.

132644772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12369 (or 12364 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 132644772 is about 11517.1512102603. The cubic root of 132644772 is about 509.9920183295.

The spelling of 132644772 in words is "one hundred thirty-two million, six hundred forty-four thousand, seven hundred seventy-two".