672505 has 8 divisors (see below), whose sum is σ = 849600. Its totient is φ = 509616.

The previous prime is 672499. The next prime is 672521. The reversal of 672505 is 505276.

It is a happy number.

672505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 672505 - 2⁵ = 672473 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 672505.

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, 3445 + ... + 3634.

It is an arithmetic number, because the mean of its divisors is an integer number (106200).

2⁶⁷²⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

672505 is a deficient number, since it is larger than the sum of its proper divisors (177095).

672505 is a wasteful number, since it uses less digits than its factorization.

672505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7103.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 672505 is about 820.0640218910. The cubic root of 672505 is about 87.6123183472.

The spelling of 672505 in words is "six hundred seventy-two thousand, five hundred five".