38747047 has 2 divisors, whose sum is σ = 38747048. Its totient is φ = 38747046.

The previous prime is 38747041. The next prime is 38747069. The reversal of 38747047 is 74074783.

It is a weak prime.

It is an emirp because it is prime and its reverse (74074783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38747047 - 2³ = 38747039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38747041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19373523 + 19373524.

It is an arithmetic number, because the mean of its divisors is an integer number (19373524).

Almost surely, 2^38747047 is an apocalyptic number.

38747047 is a deficient number, since it is larger than the sum of its proper divisors (1).

38747047 is an equidigital number, since it uses as much as digits as its factorization.

38747047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 38747047 is about 6224.7126038075. The cubic root of 38747047 is about 338.3863764269.

The spelling of 38747047 in words is "thirty-eight million, seven hundred forty-seven thousand, forty-seven".