72057140506 has 16 divisors (see below), whose sum is σ = 117170863488. Its totient is φ = 33036894000.

The previous prime is 72057140459. The next prime is 72057140509. The reversal of 72057140506 is 60504175027.

It is not an unprimeable number, because it can be changed into a prime (72057140509) 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 7 ways as a sum of consecutive naturals, for example, 9172990 + ... + 9180841.

It is an arithmetic number, because the mean of its divisors is an integer number (7323178968).

Almost surely, 2^72057140506 is an apocalyptic number.

72057140506 is a deficient number, since it is larger than the sum of its proper divisors (45113722982).

72057140506 is a wasteful number, since it uses less digits than its factorization.

72057140506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18353997.

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 72057140506 in words is "seventy-two billion, fifty-seven million, one hundred forty thousand, five hundred six".