72006215061 has 32 divisors (see below), whose sum is σ = 108140728320. Its totient is φ = 42222297600.

The previous prime is 72006215059. The next prime is 72006215089. The reversal of 72006215061 is 16051260027.

It is not a de Polignac number, because 72006215061 - 2¹ = 72006215059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72006215051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8059845 + ... + 8068773.

It is an arithmetic number, because the mean of its divisors is an integer number (3379397760).

Almost surely, 2^72006215061 is an apocalyptic number.

It is an amenable number.

72006215061 is a deficient number, since it is larger than the sum of its proper divisors (36134513259).

72006215061 is a wasteful number, since it uses less digits than its factorization.

72006215061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16857.

The product of its (nonzero) digits is 5040, while the sum is 30.

Adding to 72006215061 its reverse (16051260027), we get a palindrome (88057475088).

The spelling of 72006215061 in words is "seventy-two billion, six million, two hundred fifteen thousand, sixty-one".