74345459 has 2 divisors, whose sum is σ = 74345460. Its totient is φ = 74345458.

The previous prime is 74345417. The next prime is 74345477. The reversal of 74345459 is 95454347.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74345459 - 2⁸ = 74345203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74345489) 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, 37172729 + 37172730.

It is an arithmetic number, because the mean of its divisors is an integer number (37172730).

Almost surely, 2^74345459 is an apocalyptic number.

74345459 is a deficient number, since it is larger than the sum of its proper divisors (1).

74345459 is an equidigital number, since it uses as much as digits as its factorization.

74345459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 41.

The square root of 74345459 is about 8622.3812836130. The cubic root of 74345459 is about 420.4859435891.

The spelling of 74345459 in words is "seventy-four million, three hundred forty-five thousand, four hundred fifty-nine".