672851 has 4 divisors (see below), whose sum is σ = 689304. Its totient is φ = 656400.

The previous prime is 672827. The next prime is 672863. The reversal of 672851 is 158276.

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 672851 - 2⁶ = 672787 is a prime.

It is a d-powerful number, because it can be written as 6⁴ + 7⁴ + 8⁶ + 2¹⁴ + 5⁸ + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672811) 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, 8165 + ... + 8246.

It is an arithmetic number, because the mean of its divisors is an integer number (172326).

2⁶⁷²⁸⁵¹ is an apocalyptic number.

672851 is a deficient number, since it is larger than the sum of its proper divisors (16453).

672851 is a wasteful number, since it uses less digits than its factorization.

672851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16452.

The product of its digits is 3360, while the sum is 29.

The square root of 672851 is about 820.2749539027. The cubic root of 672851 is about 87.6273411177.

The spelling of 672851 in words is "six hundred seventy-two thousand, eight hundred fifty-one".