672559 has 4 divisors (see below), whose sum is σ = 679320. Its totient is φ = 665800.

The previous prime is 672557. The next prime is 672577. The reversal of 672559 is 955276.

672559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 672559 - 2¹ = 672557 is a prime.

It is a Duffinian number.

672559 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3229 + ... + 3430.

It is an arithmetic number, because the mean of its divisors is an integer number (169830).

2⁶⁷²⁵⁵⁹ is an apocalyptic number.

672559 is a deficient number, since it is larger than the sum of its proper divisors (6761).

672559 is a wasteful number, since it uses less digits than its factorization.

672559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6760.

The product of its digits is 18900, while the sum is 34.

The square root of 672559 is about 820.0969454888. The cubic root of 672559 is about 87.6146632807.

The spelling of 672559 in words is "six hundred seventy-two thousand, five hundred fifty-nine".