32275540 has 36 divisors (see below), whose sum is σ = 74506068. Its totient is φ = 11735680.

The previous prime is 32275531. The next prime is 32275543. The reversal of 32275540 is 4557223.

It can be written as a sum of positive squares in 2 ways, for example, as 10316944 + 21958596 = 3212^2 + 4686^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32275499 and 32275508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32275543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4249 + ... + 9088.

It is an arithmetic number, because the mean of its divisors is an integer number (2069613).

Almost surely, 2^32275540 is an apocalyptic number.

It is an amenable number.

32275540 is an abundant number, since it is smaller than the sum of its proper divisors (42230528).

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

32275540 is a wasteful number, since it uses less digits than its factorization.

32275540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13368 (or 13355 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 32275540 is about 5681.1565723891. The cubic root of 32275540 is about 318.3888417468.

It can be divided in two parts, 32 and 275540, that added together give a palindrome (275572).

The spelling of 32275540 in words is "thirty-two million, two hundred seventy-five thousand, five hundred forty".