39850073 has 16 divisors (see below), whose sum is σ = 42485520. Its totient is φ = 37324800.

The previous prime is 39850039. The next prime is 39850081. The reversal of 39850073 is 37005893.

It can be written as a sum of positive squares in 8 ways, for example, as 1261129 + 38588944 = 1123^2 + 6212^2 .

It is a cyclic number.

It is not a de Polignac number, because 39850073 - 2⁶ = 39850009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39852073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165233 + ... + 165473.

It is an arithmetic number, because the mean of its divisors is an integer number (2655345).

Almost surely, 2^39850073 is an apocalyptic number.

It is an amenable number.

39850073 is a deficient number, since it is larger than the sum of its proper divisors (2635447).

39850073 is a wasteful number, since it uses less digits than its factorization.

39850073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 39850073 is about 6312.6914228402. The cubic root of 39850073 is about 341.5673684338.

The spelling of 39850073 in words is "thirty-nine million, eight hundred fifty thousand, seventy-three".