32066540 has 24 divisors (see below), whose sum is σ = 73462032. Its totient is φ = 11660480.

The previous prime is 32066533. The next prime is 32066557. The reversal of 32066540 is 4566023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72659 + ... + 73098.

It is an arithmetic number, because the mean of its divisors is an integer number (3060918).

Almost surely, 2^32066540 is an apocalyptic number.

It is an amenable number.

32066540 is an abundant number, since it is smaller than the sum of its proper divisors (41395492).

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

32066540 is a wasteful number, since it uses less digits than its factorization.

32066540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145777 (or 145775 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 32066540 is about 5662.7325559309. The cubic root of 32066540 is about 317.7001115159.

The spelling of 32066540 in words is "thirty-two million, sixty-six thousand, five hundred forty".