672120 has 48 divisors (see below), whose sum is σ = 2185560. Its totient is φ = 179136.

The previous prime is 672107. The next prime is 672127. The reversal of 672120 is 21276.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 672093 and 672102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672127) by changing a digit.

672120 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 574 + ... + 1293.

2⁶⁷²¹²⁰ is an apocalyptic number.

672120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

672120 is an abundant number, since it is smaller than the sum of its proper divisors (1513440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672120 is a wasteful number, since it uses less digits than its factorization.

672120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884 (or 1877 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 672120 is about 819.8292505150. The cubic root of 672120 is about 87.5955962007.

Adding to 672120 its reverse (21276), we get a palindrome (693396).

It can be divided in two parts, 67 and 2120, that added together give a 7-th power (2187 = 3⁷).

The spelling of 672120 in words is "six hundred seventy-two thousand, one hundred twenty".