744189494 has 16 divisors (see below), whose sum is σ = 1128635856. Its totient is φ = 367989600.

The previous prime is 744189487. The next prime is 744189497. The reversal of 744189494 is 494981447.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744189497) 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 in 7 ways as a sum of consecutive naturals, for example, 138824 + ... + 144084.

It is an arithmetic number, because the mean of its divisors is an integer number (70539741).

Almost surely, 2^744189494 is an apocalyptic number.

744189494 is a deficient number, since it is larger than the sum of its proper divisors (384446362).

744189494 is a wasteful number, since it uses less digits than its factorization.

744189494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6031.

The product of its digits is 1161216, while the sum is 50.

The square root of 744189494 is about 27279.8367663738. The cubic root of 744189494 is about 906.2079020698.

The spelling of 744189494 in words is "seven hundred forty-four million, one hundred eighty-nine thousand, four hundred ninety-four".