32664740 has 12 divisors (see below), whose sum is σ = 68595996. Its totient is φ = 13065888.

The previous prime is 32664739. The next prime is 32664791. The reversal of 32664740 is 4746623.

It can be written as a sum of positive squares in 2 ways, for example, as 3655744 + 29008996 = 1912^2 + 5386^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 32664697 and 32664706.

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 3 ways as a sum of consecutive naturals, for example, 816599 + ... + 816638.

It is an arithmetic number, because the mean of its divisors is an integer number (5716333).

Almost surely, 2^32664740 is an apocalyptic number.

It is an amenable number.

32664740 is an abundant number, since it is smaller than the sum of its proper divisors (35931256).

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

32664740 is a wasteful number, since it uses less digits than its factorization.

32664740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633246 (or 1633244 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 32664740 is about 5715.3075157860. The cubic root of 32664740 is about 319.6635134891.

The spelling of 32664740 in words is "thirty-two million, six hundred sixty-four thousand, seven hundred forty".