72800036444 has 12 divisors (see below), whose sum is σ = 127475061000. Its totient is φ = 36378590448.

The previous prime is 72800036431. The next prime is 72800036447. The reversal of 72800036444 is 44463000827.

It is a junction number, because it is equal to n+sod(n) for n = 72800036398 and 72800036407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72800036447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5349299 + ... + 5362890.

It is an arithmetic number, because the mean of its divisors is an integer number (10622921750).

Almost surely, 2^72800036444 is an apocalyptic number.

It is an amenable number.

72800036444 is a deficient number, since it is larger than the sum of its proper divisors (54675024556).

72800036444 is a wasteful number, since it uses less digits than its factorization.

72800036444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10713892 (or 10713890 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 38.

The spelling of 72800036444 in words is "seventy-two billion, eight hundred million, thirty-six thousand, four hundred forty-four".