42939752 has 16 divisors (see below), whose sum is σ = 82031940. Its totient is φ = 21064576.

The previous prime is 42939737. The next prime is 42939769. The reversal of 42939752 is 25793924.

42939752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 35832196 + 7107556 = 5986^2 + 2666^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50213 + ... + 51060.

Almost surely, 2^42939752 is an apocalyptic number.

It is an amenable number.

42939752 is a deficient number, since it is larger than the sum of its proper divisors (39092188).

42939752 is a wasteful number, since it uses less digits than its factorization.

42939752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101332 (or 101328 counting only the distinct ones).

The product of its digits is 136080, while the sum is 41.

The square root of 42939752 is about 6552.8430471056. The cubic root of 42939752 is about 350.1761072927.

The spelling of 42939752 in words is "forty-two million, nine hundred thirty-nine thousand, seven hundred fifty-two".