32740840 has 32 divisors (see below), whose sum is σ = 80364960. Its totient is φ = 11905600.

The previous prime is 32740831. The next prime is 32740847. The reversal of 32740840 is 4804723.

It is a junction number, because it is equal to n+sod(n) for n = 32740799 and 32740808.

It is not an unprimeable number, because it can be changed into a prime (32740847) 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, 36766 + ... + 37645.

It is an arithmetic number, because the mean of its divisors is an integer number (2511405).

Almost surely, 2^32740840 is an apocalyptic number.

It is an amenable number.

32740840 is an abundant number, since it is smaller than the sum of its proper divisors (47624120).

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

32740840 is a wasteful number, since it uses less digits than its factorization.

32740840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74433 (or 74429 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 32740840 is about 5721.9612022453. The cubic root of 32740840 is about 319.9115641036.

The spelling of 32740840 in words is "thirty-two million, seven hundred forty thousand, eight hundred forty".