672825 has 12 divisors (see below), whose sum is σ = 1112528. Its totient is φ = 358800.

The previous prime is 672823. The next prime is 672827. The reversal of 672825 is 528276.

It is an interprime number because it is at equal distance from previous prime (672823) and next prime (672827).

It is not a de Polignac number, because 672825 - 2¹ = 672823 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 672792 and 672801.

It is not an unprimeable number, because it can be changed into a prime (672823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4411 + ... + 4560.

2⁶⁷²⁸²⁵ is an apocalyptic number.

It is an amenable number.

672825 is a deficient number, since it is larger than the sum of its proper divisors (439703).

672825 is a wasteful number, since it uses less digits than its factorization.

672825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8984 (or 8979 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 672825 is about 820.2591054051. The cubic root of 672825 is about 87.6262124180.

The spelling of 672825 in words is "six hundred seventy-two thousand, eight hundred twenty-five".