74412727 has 2 divisors, whose sum is σ = 74412728. Its totient is φ = 74412726.

The previous prime is 74412713. The next prime is 74412739. The reversal of 74412727 is 72721447.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (72721447) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74412727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74412692 and 74412701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74412787) 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, 37206363 + 37206364.

It is an arithmetic number, because the mean of its divisors is an integer number (37206364).

Almost surely, 2^74412727 is an apocalyptic number.

74412727 is a deficient number, since it is larger than the sum of its proper divisors (1).

74412727 is an equidigital number, since it uses as much as digits as its factorization.

74412727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21952, while the sum is 34.

The square root of 74412727 is about 8626.2811802074. The cubic root of 74412727 is about 420.6127243514.

The spelling of 74412727 in words is "seventy-four million, four hundred twelve thousand, seven hundred twenty-seven".