743640555074 has 32 divisors (see below), whose sum is σ = 1150419095280. Its totient is φ = 360295603200.

The previous prime is 743640555061. The next prime is 743640555083. The reversal of 743640555074 is 470555046347.

It can be written as a sum of positive squares in 8 ways, for example, as 87257024449 + 656383530625 = 295393^2 + 810175^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11976212 + ... + 12038144.

Almost surely, 2^743640555074 is an apocalyptic number.

743640555074 is a deficient number, since it is larger than the sum of its proper divisors (406778540206).

743640555074 is a wasteful number, since it uses less digits than its factorization.

743640555074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62966.

The product of its (nonzero) digits is 7056000, while the sum is 50.

The spelling of 743640555074 in words is "seven hundred forty-three billion, six hundred forty million, five hundred fifty-five thousand, seventy-four".