744643284772 has 6 divisors (see below), whose sum is σ = 1303125748358. Its totient is φ = 372321642384.

The previous prime is 744643284767. The next prime is 744643284773. The reversal of 744643284772 is 277482346447.

It can be written as a sum of positive squares in only one way, i.e., 723071312896 + 21571971876 = 850336^2 + 146874^2 .

It is not an unprimeable number, because it can be changed into a prime (744643284773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93080410593 + ... + 93080410600.

Almost surely, 2^744643284772 is an apocalyptic number.

It is an amenable number.

744643284772 is a deficient number, since it is larger than the sum of its proper divisors (558482463586).

744643284772 is a wasteful number, since it uses less digits than its factorization.

744643284772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186160821197 (or 186160821195 counting only the distinct ones).

The product of its digits is 50577408, while the sum is 58.

The spelling of 744643284772 in words is "seven hundred forty-four billion, six hundred forty-three million, two hundred eighty-four thousand, seven hundred seventy-two".