72881027 has 4 divisors (see below), whose sum is σ = 72932640. Its totient is φ = 72829416.

The previous prime is 72880999. The next prime is 72881041. The reversal of 72881027 is 72018827.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72881027 - 2⁶ = 72880963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72881077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23627 + ... + 26532.

It is an arithmetic number, because the mean of its divisors is an integer number (18233160).

Almost surely, 2^72881027 is an apocalyptic number.

72881027 is a deficient number, since it is larger than the sum of its proper divisors (51613).

72881027 is a wasteful number, since it uses less digits than its factorization.

72881027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51612.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 72881027 is about 8537.0385380412. The cubic root of 72881027 is about 417.7067511955.

The spelling of 72881027 in words is "seventy-two million, eight hundred eighty-one thousand, twenty-seven".