42739372 has 12 divisors (see below), whose sum is σ = 80547376. Its totient is φ = 19725840.

The previous prime is 42739369. The next prime is 42739387. The reversal of 42739372 is 27393724.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410904 + ... + 411007.

Almost surely, 2^42739372 is an apocalyptic number.

It is an amenable number.

42739372 is a deficient number, since it is larger than the sum of its proper divisors (37808004).

42739372 is a wasteful number, since it uses less digits than its factorization.

42739372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821928 (or 821926 counting only the distinct ones).

The product of its digits is 63504, while the sum is 37.

The square root of 42739372 is about 6537.5356213179. The cubic root of 42739372 is about 349.6305543833.

The spelling of 42739372 in words is "forty-two million, seven hundred thirty-nine thousand, three hundred seventy-two".