74831873 has 2 divisors, whose sum is σ = 74831874. Its totient is φ = 74831872.

The previous prime is 74831851. The next prime is 74831891. The reversal of 74831873 is 37813847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43784689 + 31047184 = 6617^2 + 5572^2 .

It is an emirp because it is prime and its reverse (37813847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74831873 - 2¹⁰ = 74830849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74831873.

It is not a weakly prime, because it can be changed into another prime (74831573) 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, 37415936 + 37415937.

It is an arithmetic number, because the mean of its divisors is an integer number (37415937).

Almost surely, 2^74831873 is an apocalyptic number.

It is an amenable number.

74831873 is a deficient number, since it is larger than the sum of its proper divisors (1).

74831873 is an equidigital number, since it uses as much as digits as its factorization.

74831873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 41.

The square root of 74831873 is about 8650.5417749410. The cubic root of 74831873 is about 421.4009773262.

The spelling of 74831873 in words is "seventy-four million, eight hundred thirty-one thousand, eight hundred seventy-three".