42733664 has 24 divisors (see below), whose sum is σ = 84279888. Its totient is φ = 21329280.

The previous prime is 42733651. The next prime is 42733667. The reversal of 42733664 is 46633724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42733667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30254 + ... + 31634.

It is an arithmetic number, because the mean of its divisors is an integer number (3511662).

Almost surely, 2^42733664 is an apocalyptic number.

It is an amenable number.

42733664 is a deficient number, since it is larger than the sum of its proper divisors (41546224).

42733664 is a wasteful number, since it uses less digits than its factorization.

42733664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358 (or 2350 counting only the distinct ones).

The product of its digits is 72576, while the sum is 35.

The square root of 42733664 is about 6537.0990508023. The cubic root of 42733664 is about 349.6149888757.

The spelling of 42733664 in words is "forty-two million, seven hundred thirty-three thousand, six hundred sixty-four".