38073561 has 4 divisors (see below), whose sum is σ = 50764752. Its totient is φ = 25382372.

The previous prime is 38073559. The next prime is 38073569. The reversal of 38073561 is 16537083.

It is a happy number.

38073561 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16537083 = 3 ⋅5512361.

It is a cyclic number.

It is not a de Polignac number, because 38073561 - 2¹ = 38073559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38073569) 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, 6345591 + ... + 6345596.

It is an arithmetic number, because the mean of its divisors is an integer number (12691188).

Almost surely, 2^38073561 is an apocalyptic number.

It is an amenable number.

38073561 is a deficient number, since it is larger than the sum of its proper divisors (12691191).

38073561 is a wasteful number, since it uses less digits than its factorization.

38073561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12691190.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 38073561 is about 6170.3777031880. The cubic root of 38073561 is about 336.4143396816.

The spelling of 38073561 in words is "thirty-eight million, seventy-three thousand, five hundred sixty-one".