72585073079 has 4 divisors (see below), whose sum is σ = 74129436384. Its totient is φ = 71040709776.

The previous prime is 72585073063. The next prime is 72585073103. The reversal of 72585073079 is 97037058527.

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 72585073079 - 2⁴ = 72585073063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72585073079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72585073279) 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, 772181582 + ... + 772181675.

It is an arithmetic number, because the mean of its divisors is an integer number (18532359096).

Almost surely, 2^72585073079 is an apocalyptic number.

72585073079 is a deficient number, since it is larger than the sum of its proper divisors (1544363305).

72585073079 is a wasteful number, since it uses less digits than its factorization.

72585073079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544363304.

The product of its (nonzero) digits is 3704400, while the sum is 53.

The spelling of 72585073079 in words is "seventy-two billion, five hundred eighty-five million, seventy-three thousand, seventy-nine".