672106 has 16 divisors (see below), whose sum is σ = 1108800. Its totient is φ = 304128.

The previous prime is 672103. The next prime is 672107. The reversal of 672106 is 601276.

672106 = 179² + 180² + ... + 197².

It is a plaindrome in base 6.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (672103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490 + ... + 1258.

It is an arithmetic number, because the mean of its divisors is an integer number (69300).

2⁶⁷²¹⁰⁶ is an apocalyptic number.

672106 is the 519-th centered pentagonal number.

672106 is a deficient number, since it is larger than the sum of its proper divisors (436694).

672106 is a wasteful number, since it uses less digits than its factorization.

672106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 672106 is about 819.8207121072. The cubic root of 672106 is about 87.5949880023.

The spelling of 672106 in words is "six hundred seventy-two thousand, one hundred six".