72109000408 has 16 divisors (see below), whose sum is σ = 135209995560. Its totient is φ = 36053001600.

The previous prime is 72109000361. The next prime is 72109000417. The reversal of 72109000408 is 80400090127.

It is a self number, because there is not a number n which added to its sum of digits gives 72109000408.

It is a congruent number.

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, 32323 + ... + 381133.

Almost surely, 2^72109000408 is an apocalyptic number.

It is an amenable number.

72109000408 is a deficient number, since it is larger than the sum of its proper divisors (63100995152).

72109000408 is a wasteful number, since it uses less digits than its factorization.

72109000408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374658 (or 374654 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The spelling of 72109000408 in words is "seventy-two billion, one hundred nine million, four hundred eight", and thus it is an aban number.