38712761 has 2 divisors, whose sum is σ = 38712762. Its totient is φ = 38712760.

The previous prime is 38712743. The next prime is 38712763. The reversal of 38712761 is 16721783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37589161 + 1123600 = 6131^2 + 1060^2 .

It is a cyclic number.

It is not a de Polignac number, because 38712761 - 2¹⁴ = 38696377 is a prime.

Together with 38712763, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38712763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19356380 + 19356381.

It is an arithmetic number, because the mean of its divisors is an integer number (19356381).

Almost surely, 2^38712761 is an apocalyptic number.

It is an amenable number.

38712761 is a deficient number, since it is larger than the sum of its proper divisors (1).

38712761 is an equidigital number, since it uses as much as digits as its factorization.

38712761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 35.

The square root of 38712761 is about 6221.9579715713. The cubic root of 38712761 is about 338.2865379452.

The spelling of 38712761 in words is "thirty-eight million, seven hundred twelve thousand, seven hundred sixty-one".