72018881027 has 8 divisors (see below), whose sum is σ = 73786158432. Its totient is φ = 70272518400.

The previous prime is 72018881009. The next prime is 72018881047.

72018881027 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72018881027 - 2¹² = 72018876931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72018881047) 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, 5221724 + ... + 5235497.

It is an arithmetic number, because the mean of its divisors is an integer number (9223269804).

Almost surely, 2^72018881027 is an apocalyptic number.

72018881027 is a deficient number, since it is larger than the sum of its proper divisors (1767277405).

72018881027 is a wasteful number, since it uses less digits than its factorization.

72018881027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10457389.

The product of its (nonzero) digits is 100352, while the sum is 44.

The spelling of 72018881027 in words is "seventy-two billion, eighteen million, eight hundred eighty-one thousand, twenty-seven".