72635065 has 8 divisors (see below), whose sum is σ = 87257160. Its totient is φ = 58044672.

The previous prime is 72635051. The next prime is 72635083. The reversal of 72635065 is 56053627.

It can be written as a sum of positive squares in 4 ways, for example, as 13483584 + 59151481 = 3672^2 + 7691^2 .

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 72635065 - 2⁹ = 72634553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72635065.

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, 2550 + ... + 12319.

It is an arithmetic number, because the mean of its divisors is an integer number (10907145).

Almost surely, 2^72635065 is an apocalyptic number.

It is an amenable number.

72635065 is a deficient number, since it is larger than the sum of its proper divisors (14622095).

72635065 is a wasteful number, since it uses less digits than its factorization.

72635065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15851.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 72635065 is about 8522.6207823650. The cubic root of 72635065 is about 417.2363234017.

The spelling of 72635065 in words is "seventy-two million, six hundred thirty-five thousand, sixty-five".