74500249 has 2 divisors, whose sum is σ = 74500250. Its totient is φ = 74500248.

The previous prime is 74500241. The next prime is 74500313. The reversal of 74500249 is 94200547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54760000 + 19740249 = 7400^2 + 4443^2 .

It is a cyclic number.

It is not a de Polignac number, because 74500249 - 2³ = 74500241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74500249.

It is not a weakly prime, because it can be changed into another prime (74500241) 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, 37250124 + 37250125.

It is an arithmetic number, because the mean of its divisors is an integer number (37250125).

Almost surely, 2^74500249 is an apocalyptic number.

It is an amenable number.

74500249 is a deficient number, since it is larger than the sum of its proper divisors (1).

74500249 is an equidigital number, since it uses as much as digits as its factorization.

74500249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 74500249 is about 8631.3526749867. The cubic root of 74500249 is about 420.7775637323. Note that the first 3 decimals are identical.

The spelling of 74500249 in words is "seventy-four million, five hundred thousand, two hundred forty-nine".