744091841 has 2 divisors, whose sum is σ = 744091842. Its totient is φ = 744091840.

The previous prime is 744091801. The next prime is 744091849. The reversal of 744091841 is 148190447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 743707441 + 384400 = 27271^2 + 620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-744091841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 744091795 and 744091804.

It is not a weakly prime, because it can be changed into another prime (744091849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372045920 + 372045921.

It is an arithmetic number, because the mean of its divisors is an integer number (372045921).

Almost surely, 2^744091841 is an apocalyptic number.

It is an amenable number.

744091841 is a deficient number, since it is larger than the sum of its proper divisors (1).

744091841 is an equidigital number, since it uses as much as digits as its factorization.

744091841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 744091841 is about 27278.0468692317. The cubic root of 744091841 is about 906.1682626178.

The spelling of 744091841 in words is "seven hundred forty-four million, ninety-one thousand, eight hundred forty-one".