74470199 has 2 divisors, whose sum is σ = 74470200. Its totient is φ = 74470198.

The previous prime is 74470189. The next prime is 74470211. The reversal of 74470199 is 99107447.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (99107447) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74470199 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74470189) 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, 37235099 + 37235100.

It is an arithmetic number, because the mean of its divisors is an integer number (37235100).

Almost surely, 2^74470199 is an apocalyptic number.

74470199 is a deficient number, since it is larger than the sum of its proper divisors (1).

74470199 is an equidigital number, since it uses as much as digits as its factorization.

74470199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 74470199 is about 8629.6117525645. The cubic root of 74470199 is about 420.7209819696.

The spelling of 74470199 in words is "seventy-four million, four hundred seventy thousand, one hundred ninety-nine".