74934439 has 2 divisors, whose sum is σ = 74934440. Its totient is φ = 74934438.

The previous prime is 74934407. The next prime is 74934443. The reversal of 74934439 is 93443947.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74934439 - 2⁵ = 74934407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74934395 and 74934404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74934449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37467219 + 37467220.

It is an arithmetic number, because the mean of its divisors is an integer number (37467220).

Almost surely, 2^74934439 is an apocalyptic number.

74934439 is a deficient number, since it is larger than the sum of its proper divisors (1).

74934439 is an equidigital number, since it uses as much as digits as its factorization.

74934439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 43.

The square root of 74934439 is about 8656.4680441852. The cubic root of 74934439 is about 421.5934161861.

The spelling of 74934439 in words is "seventy-four million, nine hundred thirty-four thousand, four hundred thirty-nine".