74017409 has 2 divisors, whose sum is σ = 74017410. Its totient is φ = 74017408.

The previous prime is 74017397. The next prime is 74017421. The reversal of 74017409 is 90471047.

It is a balanced prime because it is at equal distance from previous prime (74017397) and next prime (74017421).

It can be written as a sum of positive squares in only one way, i.e., 62457409 + 11560000 = 7903^2 + 3400^2 .

It is an emirp because it is prime and its reverse (90471047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74017409 - 2²⁴ = 57240193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74017459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37008704 + 37008705.

It is an arithmetic number, because the mean of its divisors is an integer number (37008705).

Almost surely, 2^74017409 is an apocalyptic number.

It is an amenable number.

74017409 is a deficient number, since it is larger than the sum of its proper divisors (1).

74017409 is an equidigital number, since it uses as much as digits as its factorization.

74017409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 74017409 is about 8603.3370851083. The cubic root of 74017409 is about 419.8665657000.

The spelling of 74017409 in words is "seventy-four million, seventeen thousand, four hundred nine".