32749540 has 24 divisors (see below), whose sum is σ = 72394560. Its totient is φ = 12410208.

The previous prime is 32749523. The next prime is 32749579. The reversal of 32749540 is 4594723.

It is a junction number, because it is equal to n+sod(n) for n = 32749496 and 32749505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42712 + ... + 43471.

It is an arithmetic number, because the mean of its divisors is an integer number (3016440).

Almost surely, 2^32749540 is an apocalyptic number.

It is an amenable number.

32749540 is an abundant number, since it is smaller than the sum of its proper divisors (39645020).

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

32749540 is a wasteful number, since it uses less digits than its factorization.

32749540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86211 (or 86209 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 32749540 is about 5722.7213806021. The cubic root of 32749540 is about 319.9398975664.

The spelling of 32749540 in words is "thirty-two million, seven hundred forty-nine thousand, five hundred forty".