39472427 has 2 divisors, whose sum is σ = 39472428. Its totient is φ = 39472426.

The previous prime is 39472423. The next prime is 39472529. The reversal of 39472427 is 72427493.

39472427 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 is an emirp because it is prime and its reverse (72427493) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39472427 - 2² = 39472423 is a prime.

It is not a weakly prime, because it can be changed into another prime (39472423) 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, 19736213 + 19736214.

It is an arithmetic number, because the mean of its divisors is an integer number (19736214).

Almost surely, 2^39472427 is an apocalyptic number.

39472427 is a deficient number, since it is larger than the sum of its proper divisors (1).

39472427 is an equidigital number, since it uses as much as digits as its factorization.

39472427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 38.

The square root of 39472427 is about 6282.7085719457. The cubic root of 39472427 is about 340.4849682464.

The spelling of 39472427 in words is "thirty-nine million, four hundred seventy-two thousand, four hundred twenty-seven".