74384929 has 2 divisors, whose sum is σ = 74384930. Its totient is φ = 74384928.

The previous prime is 74384923. The next prime is 74384939. The reversal of 74384929 is 92948347.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67240000 + 7144929 = 8200^2 + 2673^2 .

It is an emirp because it is prime and its reverse (92948347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74384929 - 2⁹ = 74384417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74384923) 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, 37192464 + 37192465.

It is an arithmetic number, because the mean of its divisors is an integer number (37192465).

Almost surely, 2^74384929 is an apocalyptic number.

It is an amenable number.

74384929 is a deficient number, since it is larger than the sum of its proper divisors (1).

74384929 is an equidigital number, since it uses as much as digits as its factorization.

74384929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 46.

The square root of 74384929 is about 8624.6697907804. The cubic root of 74384929 is about 420.5603424125.

It can be divided in two parts, 74 and 384929, that added together give a triangular number (385003 = T₈₇₇).

The spelling of 74384929 in words is "seventy-four million, three hundred eighty-four thousand, nine hundred twenty-nine".