74200249 has 2 divisors, whose sum is σ = 74200250. Its totient is φ = 74200248.

The previous prime is 74200213. The next prime is 74200297. The reversal of 74200249 is 94200247.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62173225 + 12027024 = 7885^2 + 3468^2 .

It is a cyclic number.

It is not a de Polignac number, because 74200249 - 2²⁵ = 40645817 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74200349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37100124 + 37100125.

It is an arithmetic number, because the mean of its divisors is an integer number (37100125).

Almost surely, 2^74200249 is an apocalyptic number.

It is an amenable number.

74200249 is a deficient number, since it is larger than the sum of its proper divisors (1).

74200249 is an equidigital number, since it uses as much as digits as its factorization.

74200249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 74200249 is about 8613.9566402438. The cubic root of 74200249 is about 420.2120037019.

The spelling of 74200249 in words is "seventy-four million, two hundred thousand, two hundred forty-nine".