672965 has 4 divisors (see below), whose sum is σ = 807564. Its totient is φ = 538368.

The previous prime is 672953. The next prime is 672967. The reversal of 672965 is 569276.

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

It can be written as a sum of positive squares in 2 ways, for example, as 185761 + 487204 = 431^2 + 698^2 .

It is a cyclic number.

It is not a de Polignac number, because 672965 - 2⁴ = 672949 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672967) 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, 67292 + ... + 67301.

It is an arithmetic number, because the mean of its divisors is an integer number (201891).

2⁶⁷²⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

672965 is a deficient number, since it is larger than the sum of its proper divisors (134599).

672965 is a wasteful number, since it uses less digits than its factorization.

672965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134598.

The product of its digits is 22680, while the sum is 35.

The square root of 672965 is about 820.3444398544. The cubic root of 672965 is about 87.6322896887.

The spelling of 672965 in words is "six hundred seventy-two thousand, nine hundred sixty-five".