38080729 has 2 divisors, whose sum is σ = 38080730. Its totient is φ = 38080728.

The previous prime is 38080727. The next prime is 38080739. The reversal of 38080729 is 92708083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33085504 + 4995225 = 5752^2 + 2235^2 .

It is a cyclic number.

It is not a de Polignac number, because 38080729 - 2¹ = 38080727 is a prime.

Together with 38080727, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (38080727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19040364 + 19040365.

It is an arithmetic number, because the mean of its divisors is an integer number (19040365).

Almost surely, 2^38080729 is an apocalyptic number.

It is an amenable number.

38080729 is a deficient number, since it is larger than the sum of its proper divisors (1).

38080729 is an equidigital number, since it uses as much as digits as its factorization.

38080729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 38080729 is about 6170.9585154982. The cubic root of 38080729 is about 336.4354502774.

It can be divided in two parts, 38080 and 729, that added together give a square (38809 = 197²).

The spelling of 38080729 in words is "thirty-eight million, eighty thousand, seven hundred twenty-nine".