72665327 has 8 divisors (see below), whose sum is σ = 87931296. Its totient is φ = 58620672.

The previous prime is 72665323. The next prime is 72665339. The reversal of 72665327 is 72356627.

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 72665327 - 2² = 72665323 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 (72665323) 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, 305198 + ... + 305435.

It is an arithmetic number, because the mean of its divisors is an integer number (10991412).

Almost surely, 2^72665327 is an apocalyptic number.

72665327 is a deficient number, since it is larger than the sum of its proper divisors (15265969).

72665327 is a wasteful number, since it uses less digits than its factorization.

72665327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610657.

The product of its digits is 105840, while the sum is 38.

The square root of 72665327 is about 8524.3959903327. The cubic root of 72665327 is about 417.2942598475.

The spelling of 72665327 in words is "seventy-two million, six hundred sixty-five thousand, three hundred twenty-seven".