42732744 has 32 divisors (see below), whose sum is σ = 107010720. Its totient is φ = 14220416.

The previous prime is 42732737. The next prime is 42732773. The reversal of 42732744 is 44723724.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18772 + ... + 20924.

It is an arithmetic number, because the mean of its divisors is an integer number (3344085).

Almost surely, 2^42732744 is an apocalyptic number.

It is an amenable number.

42732744 is an abundant number, since it is smaller than the sum of its proper divisors (64277976).

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

42732744 is a wasteful number, since it uses less digits than its factorization.

42732744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989 (or 2985 counting only the distinct ones).

The product of its digits is 37632, while the sum is 33.

The square root of 42732744 is about 6537.0286828191. The cubic root of 42732744 is about 349.6124799396.

The spelling of 42732744 in words is "forty-two million, seven hundred thirty-two thousand, seven hundred forty-four".