39005742 has 16 divisors (see below), whose sum is σ = 78072912. Its totient is φ = 12991680.

The previous prime is 39005741. The next prime is 39005753. The reversal of 39005742 is 24750093.

39005742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39005741) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12658 + ... + 15434.

It is an arithmetic number, because the mean of its divisors is an integer number (4879557).

Almost surely, 2^39005742 is an apocalyptic number.

39005742 is an abundant number, since it is smaller than the sum of its proper divisors (39067170).

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

39005742 is a wasteful number, since it uses less digits than its factorization.

39005742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5123.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 39005742 is about 6245.4577094077. The cubic root of 39005742 is about 339.1377865070.

The spelling of 39005742 in words is "thirty-nine million, five thousand, seven hundred forty-two".