32875640 has 32 divisors (see below), whose sum is σ = 84538080. Its totient is φ = 11271552.

The previous prime is 32875639. The next prime is 32875649. The reversal of 32875640 is 4657823.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 32875640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32875649) 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, 58427 + ... + 58986.

It is an arithmetic number, because the mean of its divisors is an integer number (2641815).

Almost surely, 2^32875640 is an apocalyptic number.

It is an amenable number.

32875640 is an abundant number, since it is smaller than the sum of its proper divisors (51662440).

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

32875640 is a wasteful number, since it uses less digits than its factorization.

32875640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117431 (or 117427 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 32875640 is about 5733.7282809704. The cubic root of 32875640 is about 320.3500076562.

The spelling of 32875640 in words is "thirty-two million, eight hundred seventy-five thousand, six hundred forty".