72405007112 has 16 divisors (see below), whose sum is σ = 142904619600. Its totient is φ = 34297108560.

The previous prime is 72405007097. The next prime is 72405007117. The reversal of 72405007112 is 21170050427.

It is not an unprimeable number, because it can be changed into a prime (72405007117) 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, 238174214 + ... + 238174517.

It is an arithmetic number, because the mean of its divisors is an integer number (8931538725).

Almost surely, 2^72405007112 is an apocalyptic number.

It is an amenable number.

72405007112 is a deficient number, since it is larger than the sum of its proper divisors (70499612488).

72405007112 is a wasteful number, since it uses less digits than its factorization.

72405007112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476348756 (or 476348752 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

Adding to 72405007112 its reverse (21170050427), we get a palindrome (93575057539).

The spelling of 72405007112 in words is "seventy-two billion, four hundred five million, seven thousand, one hundred twelve".