32082640 has 40 divisors (see below), whose sum is σ = 78521760. Its totient is φ = 12157056.

The previous prime is 32082629. The next prime is 32082647. The reversal of 32082640 is 4628023.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32082647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9034 + ... + 12073.

It is an arithmetic number, because the mean of its divisors is an integer number (1963044).

Almost surely, 2^32082640 is an apocalyptic number.

It is an amenable number.

32082640 is an abundant number, since it is smaller than the sum of its proper divisors (46439120).

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

32082640 is a wasteful number, since it uses less digits than its factorization.

32082640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21139 (or 21133 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 32082640 is about 5664.1539527100. The cubic root of 32082640 is about 317.7532730147.

The spelling of 32082640 in words is "thirty-two million, eighty-two thousand, six hundred forty".