72412344460 has 24 divisors (see below), whose sum is σ = 155301370560. Its totient is φ = 28348662144.

The previous prime is 72412344443. The next prime is 72412344493. The reversal of 72412344460 is 6444321427.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38516265 + ... + 38518144.

It is an arithmetic number, because the mean of its divisors is an integer number (6470890440).

Almost surely, 2^72412344460 is an apocalyptic number.

It is an amenable number.

72412344460 is an abundant number, since it is smaller than the sum of its proper divisors (82889026100).

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

72412344460 is a wasteful number, since it uses less digits than its factorization.

72412344460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77034465 (or 77034463 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 37.

Adding to 72412344460 its reverse (6444321427), we get a palindrome (78856665887).

The spelling of 72412344460 in words is "seventy-two billion, four hundred twelve million, three hundred forty-four thousand, four hundred sixty".