672535 has 4 divisors (see below), whose sum is σ = 807048. Its totient is φ = 538024.

The previous prime is 672521. The next prime is 672557. The reversal of 672535 is 535276.

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 672535 - 2¹¹ = 670487 is a prime.

It is a Duffinian number.

672535 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67249 + ... + 67258.

It is an arithmetic number, because the mean of its divisors is an integer number (201762).

2⁶⁷²⁵³⁵ is an apocalyptic number.

672535 is a deficient number, since it is larger than the sum of its proper divisors (134513).

672535 is a wasteful number, since it uses less digits than its factorization.

672535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134512.

The product of its digits is 6300, while the sum is 28.

The square root of 672535 is about 820.0823129418. The cubic root of 672535 is about 87.6136211036.

The spelling of 672535 in words is "six hundred seventy-two thousand, five hundred thirty-five".