72308528085 has 8 divisors (see below), whose sum is σ = 115693644960. Its totient is φ = 38564548304.

The previous prime is 72308528077. The next prime is 72308528099. The reversal of 72308528085 is 58082580327.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72308528085 - 2³ = 72308528077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2410284255 + ... + 2410284284.

It is an arithmetic number, because the mean of its divisors is an integer number (14461705620).

Almost surely, 2^72308528085 is an apocalyptic number.

It is an amenable number.

72308528085 is a deficient number, since it is larger than the sum of its proper divisors (43385116875).

72308528085 is a wasteful number, since it uses less digits than its factorization.

72308528085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4820568547.

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 72308528085 in words is "seventy-two billion, three hundred eight million, five hundred twenty-eight thousand, eighty-five".