74382727 has 2 divisors, whose sum is σ = 74382728. Its totient is φ = 74382726.

The previous prime is 74382703. The next prime is 74382743. The reversal of 74382727 is 72728347.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74382727 - 2¹⁹ = 73858439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74382727.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74382787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37191363 + 37191364.

It is an arithmetic number, because the mean of its divisors is an integer number (37191364).

Almost surely, 2^74382727 is an apocalyptic number.

74382727 is a deficient number, since it is larger than the sum of its proper divisors (1).

74382727 is an equidigital number, since it uses as much as digits as its factorization.

74382727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131712, while the sum is 40.

The square root of 74382727 is about 8624.5421327744. The cubic root of 74382727 is about 420.5561924544.

The spelling of 74382727 in words is "seventy-four million, three hundred eighty-two thousand, seven hundred twenty-seven".