39105742 has 8 divisors (see below), whose sum is σ = 63170856. Its totient is φ = 18048792.

The previous prime is 39105721. The next prime is 39105749. The reversal of 39105742 is 24750193.

39105742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39105749) 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 3 ways as a sum of consecutive naturals, for example, 752008 + ... + 752059.

It is an arithmetic number, because the mean of its divisors is an integer number (7896357).

Almost surely, 2^39105742 is an apocalyptic number.

39105742 is a deficient number, since it is larger than the sum of its proper divisors (24065114).

39105742 is a wasteful number, since it uses less digits than its factorization.

39105742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504082.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 39105742 is about 6253.4584031558. The cubic root of 39105742 is about 339.4273578731.

The spelling of 39105742 in words is "thirty-nine million, one hundred five thousand, seven hundred forty-two".