72454063112 has 36 divisors (see below), whose sum is σ = 138278688045. Its totient is φ = 35590935328.

The previous prime is 72454063103. The next prime is 72454063163. The reversal of 72454063112 is 21136045427.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 71307157156 + 1146905956 = 267034^2 + 33866^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=190334.

It is a super-2 number, since 2×72454063112² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 44918018 + ... + 44919630.

Almost surely, 2^72454063112 is an apocalyptic number.

It is an amenable number.

72454063112 is a deficient number, since it is larger than the sum of its proper divisors (65824624933).

72454063112 is an frugal number, since it uses more digits than its factorization.

72454063112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350 (or 1674 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 72454063112 in words is "seventy-two billion, four hundred fifty-four million, sixty-three thousand, one hundred twelve".