38091073 has 4 divisors (see below), whose sum is σ = 38254788. Its totient is φ = 37927360.

The previous prime is 38091061. The next prime is 38091083. The reversal of 38091073 is 37019083.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22353984 + 15737089 = 4728^2 + 3967^2 .

It is a cyclic number.

It is not a de Polignac number, because 38091073 - 2¹³ = 38082881 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38091043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81508 + ... + 81973.

It is an arithmetic number, because the mean of its divisors is an integer number (9563697).

Almost surely, 2^38091073 is an apocalyptic number.

It is an amenable number.

38091073 is a deficient number, since it is larger than the sum of its proper divisors (163715).

38091073 is a wasteful number, since it uses less digits than its factorization.

38091073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163714.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 38091073 is about 6171.7965779828. The cubic root of 38091073 is about 336.4659098942.

The spelling of 38091073 in words is "thirty-eight million, ninety-one thousand, seventy-three".