72585535 has 8 divisors (see below), whose sum is σ = 95021136. Its totient is φ = 52789440.

The previous prime is 72585533. The next prime is 72585551. The reversal of 72585535 is 53558527.

It is a happy number.

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

It is not a de Polignac number, because 72585535 - 2¹ = 72585533 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 (72585533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659814 + ... + 659923.

It is an arithmetic number, because the mean of its divisors is an integer number (11877642).

Almost surely, 2^72585535 is an apocalyptic number.

72585535 is a deficient number, since it is larger than the sum of its proper divisors (22435601).

72585535 is a wasteful number, since it uses less digits than its factorization.

72585535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319753.

The product of its digits is 210000, while the sum is 40.

The square root of 72585535 is about 8519.7144905214. The cubic root of 72585535 is about 417.1414637349.

The spelling of 72585535 in words is "seventy-two million, five hundred eighty-five thousand, five hundred thirty-five".