744124820872 has 16 divisors (see below), whose sum is σ = 1408780002240. Its totient is φ = 368450153616.

The previous prime is 744124820869. The next prime is 744124820891. The reversal of 744124820872 is 278028421447.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451531228 + ... + 451532875.

It is an arithmetic number, because the mean of its divisors is an integer number (88048750140).

Almost surely, 2^744124820872 is an apocalyptic number.

It is an amenable number.

744124820872 is a deficient number, since it is larger than the sum of its proper divisors (664655181368).

744124820872 is a wasteful number, since it uses less digits than its factorization.

744124820872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903064212 (or 903064208 counting only the distinct ones).

The product of its (nonzero) digits is 1605632, while the sum is 49.

The spelling of 744124820872 in words is "seven hundred forty-four billion, one hundred twenty-four million, eight hundred twenty thousand, eight hundred seventy-two".