66673340000072 has 64 divisors (see below), whose sum is σ = 137918664576000. Its totient is φ = 30020422556160.

The previous prime is 66673340000017. The next prime is 66673340000077. The reversal of 66673340000072 is 27000004337666.

It is a super-4 number, since 4×66673340000072⁴ (a number of 56 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66673339999978 and 66673340000032.

It is not an unprimeable number, because it can be changed into a prime (66673340000077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98155673 + ... + 98832599.

It is an arithmetic number, because the mean of its divisors is an integer number (2154979134000).

Almost surely, 2^{66673340000072} is an apocalyptic number.

It is an amenable number.

66673340000072 is an abundant number, since it is smaller than the sum of its proper divisors (71245324575928).

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

66673340000072 is a wasteful number, since it uses less digits than its factorization.

66673340000072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700086 (or 700082 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 44.

The spelling of 66673340000072 in words is "sixty-six trillion, six hundred seventy-three billion, three hundred forty million, seventy-two", and thus it is an aban number.