39274681 has 2 divisors, whose sum is σ = 39274682. Its totient is φ = 39274680.

The previous prime is 39274673. The next prime is 39274693. The reversal of 39274681 is 18647293.

39274681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20430400 + 18844281 = 4520^2 + 4341^2 .

It is a cyclic number.

It is not a de Polignac number, because 39274681 - 2³ = 39274673 is a prime.

It is a super-2 number, since 2×39274681² = 3085001135303522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (39275681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19637340 + 19637341.

It is an arithmetic number, because the mean of its divisors is an integer number (19637341).

Almost surely, 2^39274681 is an apocalyptic number.

It is an amenable number.

39274681 is a deficient number, since it is larger than the sum of its proper divisors (1).

39274681 is an equidigital number, since it uses as much as digits as its factorization.

39274681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 39274681 is about 6266.9514917542. The cubic root of 39274681 is about 339.9154374474.

The spelling of 39274681 in words is "thirty-nine million, two hundred seventy-four thousand, six hundred eighty-one".