72635165 has 8 divisors (see below), whose sum is σ = 87244128. Its totient is φ = 58053520.

The previous prime is 72635153. The next prime is 72635183. The reversal of 72635165 is 56153627.

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

It is a de Polignac number, because none of the positive numbers 2^k-72635165 is a prime.

It is a Duffinian number.

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, 431 + ... + 12060.

It is an arithmetic number, because the mean of its divisors is an integer number (10905516).

Almost surely, 2^72635165 is an apocalyptic number.

It is an amenable number.

72635165 is a deficient number, since it is larger than the sum of its proper divisors (14608963).

72635165 is a wasteful number, since it uses less digits than its factorization.

72635165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13659.

The product of its digits is 37800, while the sum is 35.

The square root of 72635165 is about 8522.6266491030. The cubic root of 72635165 is about 417.2365148777.

The spelling of 72635165 in words is "seventy-two million, six hundred thirty-five thousand, one hundred sixty-five".