744732236666 has 16 divisors (see below), whose sum is σ = 1260675260640. Its totient is φ = 326841733680.

The previous prime is 744732236621. The next prime is 744732236683. The reversal of 744732236666 is 666632237447.

It is a super-2 number, since 2×744732236666² (a number of 25 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 583645316 + ... + 583646591.

It is an arithmetic number, because the mean of its divisors is an integer number (78792203790).

Almost surely, 2^744732236666 is an apocalyptic number.

744732236666 is a deficient number, since it is larger than the sum of its proper divisors (515943023974).

744732236666 is a wasteful number, since it uses less digits than its factorization.

744732236666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167291949.

The product of its digits is 36578304, while the sum is 56.

The spelling of 744732236666 in words is "seven hundred forty-four billion, seven hundred thirty-two million, two hundred thirty-six thousand, six hundred sixty-six".