74968039 has 2 divisors, whose sum is σ = 74968040. Its totient is φ = 74968038.

The previous prime is 74968021. The next prime is 74968043. The reversal of 74968039 is 93086947.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74968039 - 2¹¹ = 74965991 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74968039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74963039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37484019 + 37484020.

It is an arithmetic number, because the mean of its divisors is an integer number (37484020).

Almost surely, 2^74968039 is an apocalyptic number.

74968039 is a deficient number, since it is larger than the sum of its proper divisors (1).

74968039 is an equidigital number, since it uses as much as digits as its factorization.

74968039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 74968039 is about 8658.4085720183. The cubic root of 74968039 is about 421.6564198030.

The spelling of 74968039 in words is "seventy-four million, nine hundred sixty-eight thousand, thirty-nine".