172766332 has 6 divisors (see below), whose sum is σ = 302341088. Its totient is φ = 86383164.

The previous prime is 172766327. The next prime is 172766339. The reversal of 172766332 is 233667271.

It is a junction number, because it is equal to n+sod(n) for n = 172766291 and 172766300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172766339) 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 as a sum of consecutive naturals, namely, 21595788 + ... + 21595795.

Almost surely, 2^172766332 is an apocalyptic number.

It is an amenable number.

172766332 is a deficient number, since it is larger than the sum of its proper divisors (129574756).

172766332 is a wasteful number, since it uses less digits than its factorization.

172766332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43191587 (or 43191585 counting only the distinct ones).

The product of its digits is 63504, while the sum is 37.

The square root of 172766332 is about 13144.0607119718. The cubic root of 172766332 is about 556.9544833754.

The spelling of 172766332 in words is "one hundred seventy-two million, seven hundred sixty-six thousand, three hundred thirty-two".