72060605015 has 16 divisors (see below), whose sum is σ = 98839429632. Its totient is φ = 49406257824.

The previous prime is 72060605011. The next prime is 72060605059. The reversal of 72060605015 is 51050606027.

It is a happy number.

It is not a de Polignac number, because 72060605015 - 2² = 72060605011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72060605011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127742 + ... + 400548.

It is an arithmetic number, because the mean of its divisors is an integer number (6177464352).

Almost surely, 2^72060605015 is an apocalyptic number.

72060605015 is a deficient number, since it is larger than the sum of its proper divisors (26778824617).

72060605015 is a wasteful number, since it uses less digits than its factorization.

72060605015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280366.

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 72060605015 in words is "seventy-two billion, sixty million, six hundred five thousand, fifteen".