74249983 has 2 divisors, whose sum is σ = 74249984. Its totient is φ = 74249982.

The previous prime is 74249971. The next prime is 74250013. The reversal of 74249983 is 38994247.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74249983 - 2⁵ = 74249951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74249933) 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, 37124991 + 37124992.

It is an arithmetic number, because the mean of its divisors is an integer number (37124992).

Almost surely, 2^74249983 is an apocalyptic number.

74249983 is a deficient number, since it is larger than the sum of its proper divisors (1).

74249983 is an equidigital number, since it uses as much as digits as its factorization.

74249983 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 74249983 is about 8616.8429833669. The cubic root of 74249983 is about 420.3058675211.

The spelling of 74249983 in words is "seventy-four million, two hundred forty-nine thousand, nine hundred eighty-three".