38544073 has 4 divisors (see below), whose sum is σ = 39072148. Its totient is φ = 38016000.

The previous prime is 38544071. The next prime is 38544127. The reversal of 38544073 is 37044583.

It is a happy number.

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 26132544 + 12411529 = 5112^2 + 3523^2 .

It is a cyclic number.

It is not a de Polignac number, because 38544073 - 2¹ = 38544071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38544071) 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, 263928 + ... + 264073.

It is an arithmetic number, because the mean of its divisors is an integer number (9768037).

Almost surely, 2^38544073 is an apocalyptic number.

It is an amenable number.

38544073 is a deficient number, since it is larger than the sum of its proper divisors (528075).

38544073 is an equidigital number, since it uses as much as digits as its factorization.

38544073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528074.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 38544073 is about 6208.3873107273. The cubic root of 38544073 is about 337.7944696572.

The spelling of 38544073 in words is "thirty-eight million, five hundred forty-four thousand, seventy-three".