39075905 has 16 divisors (see below), whose sum is σ = 52920000. Its totient is φ = 27437760.

The previous prime is 39075901. The next prime is 39075943. The reversal of 39075905 is 50957093.

It is not a de Polignac number, because 39075905 - 2² = 39075901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39075901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10655 + ... + 13844.

It is an arithmetic number, because the mean of its divisors is an integer number (3307500).

Almost surely, 2^39075905 is an apocalyptic number.

It is an amenable number.

39075905 is a deficient number, since it is larger than the sum of its proper divisors (13844095).

39075905 is a wasteful number, since it uses less digits than its factorization.

39075905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24544.

The product of its (nonzero) digits is 42525, while the sum is 38.

The square root of 39075905 is about 6251.0723080124. The cubic root of 39075905 is about 339.3410101882.

The spelling of 39075905 in words is "thirty-nine million, seventy-five thousand, nine hundred five".