32166072 has 40 divisors (see below), whose sum is σ = 90096600. Its totient is φ = 10721808.

The previous prime is 32166067. The next prime is 32166083. The reversal of 32166072 is 27066123.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 9 ways as a sum of consecutive naturals, for example, 24172 + ... + 25467.

It is an arithmetic number, because the mean of its divisors is an integer number (2252415).

Almost surely, 2^32166072 is an apocalyptic number.

It is an amenable number.

32166072 is an abundant number, since it is smaller than the sum of its proper divisors (57930528).

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

32166072 is a wasteful number, since it uses less digits than its factorization.

32166072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49657 (or 49644 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 32166072 is about 5671.5140835583. The cubic root of 32166072 is about 318.0284773358.

The spelling of 32166072 in words is "thirty-two million, one hundred sixty-six thousand, seventy-two".