72756575465012 has 24 divisors (see below), whose sum is σ = 137441207030400. Its totient is φ = 33596739493856.

The previous prime is 72756575465011. The next prime is 72756575465023. The reversal of 72756575465012 is 21056457565727.

It is a super-2 number, since 2×72756575465012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72756575465011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13635037712 + ... + 13635043047.

It is an arithmetic number, because the mean of its divisors is an integer number (5726716959600).

Almost surely, 2^{72756575465012} is an apocalyptic number.

It is an amenable number.

72756575465012 is a deficient number, since it is larger than the sum of its proper divisors (64684631565388).

72756575465012 is a wasteful number, since it uses less digits than its factorization.

72756575465012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27270080815 (or 27270080813 counting only the distinct ones).

The product of its (nonzero) digits is 123480000, while the sum is 62.

The spelling of 72756575465012 in words is "seventy-two trillion, seven hundred fifty-six billion, five hundred seventy-five million, four hundred sixty-five thousand, twelve".