72342455551712 has 144 divisors (see below), whose sum is σ = 145927637856000. Its totient is φ = 35299742284800.

The previous prime is 72342455551631. The next prime is 72342455551753. The reversal of 72342455551712 is 21715555424327.

It is a super-2 number, since 2×72342455551712² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34269281537 + ... + 34269283647.

It is an arithmetic number, because the mean of its divisors is an integer number (1013386374000).

Almost surely, 2^{72342455551712} is an apocalyptic number.

It is an amenable number.

72342455551712 is an abundant number, since it is smaller than the sum of its proper divisors (73585182304288).

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

72342455551712 is a wasteful number, since it uses less digits than its factorization.

72342455551712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4321 (or 4242 counting only the distinct ones).

The product of its digits is 11760000, while the sum is 53.

The spelling of 72342455551712 in words is "seventy-two trillion, three hundred forty-two billion, four hundred fifty-five million, five hundred fifty-one thousand, seven hundred twelve".