38736673 has 2 divisors, whose sum is σ = 38736674. Its totient is φ = 38736672.

The previous prime is 38736671. The next prime is 38736697. The reversal of 38736673 is 37663783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28387584 + 10349089 = 5328^2 + 3217^2 .

It is a cyclic number.

It is not a de Polignac number, because 38736673 - 2¹ = 38736671 is a prime.

Together with 38736671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (38736671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19368336 + 19368337.

It is an arithmetic number, because the mean of its divisors is an integer number (19368337).

Almost surely, 2^38736673 is an apocalyptic number.

It is an amenable number.

38736673 is a deficient number, since it is larger than the sum of its proper divisors (1).

38736673 is an equidigital number, since it uses as much as digits as its factorization.

38736673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 43.

The square root of 38736673 is about 6223.8792565409. The cubic root of 38736673 is about 338.3561742664.

The spelling of 38736673 in words is "thirty-eight million, seven hundred thirty-six thousand, six hundred seventy-three".