42739024 has 20 divisors (see below), whose sum is σ = 83807136. Its totient is φ = 21111392.

The previous prime is 42739013. The next prime is 42739043. The reversal of 42739024 is 42093724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14764 + ... + 17419.

Almost surely, 2^42739024 is an apocalyptic number.

It is an amenable number.

42739024 is a deficient number, since it is larger than the sum of its proper divisors (41068112).

42739024 is a wasteful number, since it uses less digits than its factorization.

42739024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32274 (or 32268 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 42739024 is about 6537.5090057299. The cubic root of 42739024 is about 349.6296054397.

The spelling of 42739024 in words is "forty-two million, seven hundred thirty-nine thousand, twenty-four".