38272757 has 2 divisors, whose sum is σ = 38272758. Its totient is φ = 38272756.

The previous prime is 38272739. The next prime is 38272777. The reversal of 38272757 is 75727283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37075921 + 1196836 = 6089^2 + 1094^2 .

It is an emirp because it is prime and its reverse (75727283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38272757 - 2⁸ = 38272501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38272727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19136378 + 19136379.

It is an arithmetic number, because the mean of its divisors is an integer number (19136379).

Almost surely, 2^38272757 is an apocalyptic number.

It is an amenable number.

38272757 is a deficient number, since it is larger than the sum of its proper divisors (1).

38272757 is an equidigital number, since it uses as much as digits as its factorization.

38272757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 164640, while the sum is 41.

The square root of 38272757 is about 6186.4979592658. The cubic root of 38272757 is about 337.0000117403. Note that the first 4 decimals are identical.

The spelling of 38272757 in words is "thirty-eight million, two hundred seventy-two thousand, seven hundred fifty-seven".