38073907 has 4 divisors (see below), whose sum is σ = 38347960. Its totient is φ = 37799856.

The previous prime is 38073899. The next prime is 38073911. The reversal of 38073907 is 70937083.

38073907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38073907 - 2³ = 38073899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38073107) 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, 136818 + ... + 137095.

It is an arithmetic number, because the mean of its divisors is an integer number (9586990).

Almost surely, 2^38073907 is an apocalyptic number.

38073907 is a deficient number, since it is larger than the sum of its proper divisors (274053).

38073907 is a wasteful number, since it uses less digits than its factorization.

38073907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274052.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 38073907 is about 6170.4057403059. The cubic root of 38073907 is about 336.4153587528.

The spelling of 38073907 in words is "thirty-eight million, seventy-three thousand, nine hundred seven".