744419197 has 2 divisors, whose sum is σ = 744419198. Its totient is φ = 744419196.

The previous prime is 744419161. The next prime is 744419209. The reversal of 744419197 is 791914447.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 743598361 + 820836 = 27269^2 + 906^2 .

It is an emirp because it is prime and its reverse (791914447) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-744419197 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 (744419147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372209598 + 372209599.

It is an arithmetic number, because the mean of its divisors is an integer number (372209599).

Almost surely, 2^744419197 is an apocalyptic number.

It is an amenable number.

744419197 is a deficient number, since it is larger than the sum of its proper divisors (1).

744419197 is an equidigital number, since it uses as much as digits as its factorization.

744419197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 46.

The square root of 744419197 is about 27284.0465657131. The cubic root of 744419197 is about 906.3011297859.

It can be divided in two parts, 74441 and 9197, that added together give a palindrome (83638).

The spelling of 744419197 in words is "seven hundred forty-four million, four hundred nineteen thousand, one hundred ninety-seven".