13730730672 has 20 divisors (see below), whose sum is σ = 35471054360. Its totient is φ = 4576910208.

The previous prime is 13730730623. The next prime is 13730730679. The reversal of 13730730672 is 27603703731.

It is a self number, because there is not a number n which added to its sum of digits gives 13730730672.

It is not an unprimeable number, because it can be changed into a prime (13730730679) 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, 143028397 + ... + 143028492.

It is an arithmetic number, because the mean of its divisors is an integer number (1773552718).

Almost surely, 2^13730730672 is an apocalyptic number.

13730730672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13730730672 is an abundant number, since it is smaller than the sum of its proper divisors (21740323688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13730730672 is a wasteful number, since it uses less digits than its factorization.

13730730672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286056900 (or 286056894 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 39.

The spelling of 13730730672 in words is "thirteen billion, seven hundred thirty million, seven hundred thirty thousand, six hundred seventy-two".