72466066427 has 16 divisors (see below), whose sum is σ = 73924467360. Its totient is φ = 71019666432.

The previous prime is 72466066391. The next prime is 72466066459.

72466066427 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 72466066427 - 2⁸ = 72466066171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72466066327) 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, 11929463 + ... + 11935535.

It is an arithmetic number, because the mean of its divisors is an integer number (4620279210).

Almost surely, 2^72466066427 is an apocalyptic number.

72466066427 is a deficient number, since it is larger than the sum of its proper divisors (1458400933).

72466066427 is a wasteful number, since it uses less digits than its factorization.

72466066427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7022.

The product of its (nonzero) digits is 4064256, while the sum is 50.

The spelling of 72466066427 in words is "seventy-two billion, four hundred sixty-six million, sixty-six thousand, four hundred twenty-seven".