672130 has 8 divisors (see below), whose sum is σ = 1209852. Its totient is φ = 268848.

The previous prime is 672127. The next prime is 672131. The reversal of 672130 is 31276.

It can be written as a sum of positive squares in 2 ways, for example, as 670761 + 1369 = 819^2 + 37^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 672098 and 672107.

It is not an unprimeable number, because it can be changed into a prime (672131) 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, 33597 + ... + 33616.

2⁶⁷²¹³⁰ is an apocalyptic number.

672130 is a deficient number, since it is larger than the sum of its proper divisors (537722).

672130 is a wasteful number, since it uses less digits than its factorization.

672130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67220.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 672130 is about 819.8353493233. The cubic root of 672130 is about 87.5960306229.

It can be divided in two parts, 67 and 2130, that added together give a cube (2197 = 13³).

The spelling of 672130 in words is "six hundred seventy-two thousand, one hundred thirty".