672617 has 8 divisors (see below), whose sum is σ = 749952. Its totient is φ = 598000.

The previous prime is 672593. The next prime is 672629. The reversal of 672617 is 716276.

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 672617 - 2¹⁶ = 607081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 672617.

It is not an unprimeable number, because it can be changed into a prime (672667) 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, 134 + ... + 1167.

It is an arithmetic number, because the mean of its divisors is an integer number (93744).

2⁶⁷²⁶¹⁷ is an apocalyptic number.

It is an amenable number.

672617 is a deficient number, since it is larger than the sum of its proper divisors (77335).

672617 is a wasteful number, since it uses less digits than its factorization.

672617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359.

The product of its digits is 3528, while the sum is 29.

The square root of 672617 is about 820.1323063994. The cubic root of 672617 is about 87.6171817732.

The spelling of 672617 in words is "six hundred seventy-two thousand, six hundred seventeen".