72016011 has 6 divisors (see below), whose sum is σ = 104023140. Its totient is φ = 48010668.

The previous prime is 72016003. The next prime is 72016031. The reversal of 72016011 is 11061027.

It is not a de Polignac number, because 72016011 - 2³ = 72016003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72016031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4000881 + ... + 4000898.

It is an arithmetic number, because the mean of its divisors is an integer number (17337190).

Almost surely, 2^72016011 is an apocalyptic number.

72016011 is a deficient number, since it is larger than the sum of its proper divisors (32007129).

72016011 is a wasteful number, since it uses less digits than its factorization.

72016011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8001785 (or 8001782 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 72016011 is about 8486.2247790169. The cubic root of 72016011 is about 416.0475995675.

Adding to 72016011 its reverse (11061027), we get a palindrome (83077038).

The spelling of 72016011 in words is "seventy-two million, sixteen thousand, eleven".