74244817 has 2 divisors, whose sum is σ = 74244818. Its totient is φ = 74244816.

The previous prime is 74244811. The next prime is 74244823. The reversal of 74244817 is 71844247.

It is a balanced prime because it is at equal distance from previous prime (74244811) and next prime (74244823).

It can be written as a sum of positive squares in only one way, i.e., 49999041 + 24245776 = 7071^2 + 4924^2 .

It is a cyclic number.

It is not a de Polignac number, because 74244817 - 2⁷ = 74244689 is a prime.

It is not a weakly prime, because it can be changed into another prime (74244811) 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, 37122408 + 37122409.

It is an arithmetic number, because the mean of its divisors is an integer number (37122409).

Almost surely, 2^74244817 is an apocalyptic number.

It is an amenable number.

74244817 is a deficient number, since it is larger than the sum of its proper divisors (1).

74244817 is an equidigital number, since it uses as much as digits as its factorization.

74244817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50176, while the sum is 37.

The square root of 74244817 is about 8616.5432163948. The cubic root of 74244817 is about 420.2961195931.

The spelling of 74244817 in words is "seventy-four million, two hundred forty-four thousand, eight hundred seventeen".