32540780 has 24 divisors (see below), whose sum is σ = 68638752. Its totient is φ = 12958592.

The previous prime is 32540777. The next prime is 32540819. The reversal of 32540780 is 8704523.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1169 + ... + 8151.

It is an arithmetic number, because the mean of its divisors is an integer number (2859948).

Almost surely, 2^32540780 is an apocalyptic number.

It is an amenable number.

32540780 is an abundant number, since it is smaller than the sum of its proper divisors (36097972).

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

32540780 is a wasteful number, since it uses less digits than its factorization.

32540780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7225 (or 7223 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 32540780 is about 5704.4526468365. The cubic root of 32540780 is about 319.2586353214.

The spelling of 32540780 in words is "thirty-two million, five hundred forty thousand, seven hundred eighty".