744473771 has 2 divisors, whose sum is σ = 744473772. Its totient is φ = 744473770.

The previous prime is 744473699. The next prime is 744473831. The reversal of 744473771 is 177374447.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-744473771 is a prime.

It is not a weakly prime, because it can be changed into another prime (744473671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372236885 + 372236886.

It is an arithmetic number, because the mean of its divisors is an integer number (372236886).

Almost surely, 2^744473771 is an apocalyptic number.

744473771 is a deficient number, since it is larger than the sum of its proper divisors (1).

744473771 is an equidigital number, since it uses as much as digits as its factorization.

744473771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 460992, while the sum is 44.

The square root of 744473771 is about 27285.0466556317. The cubic root of 744473771 is about 906.3232764784.

The spelling of 744473771 in words is "seven hundred forty-four million, four hundred seventy-three thousand, seven hundred seventy-one".