672012 has 36 divisors (see below), whose sum is σ = 1854216. Its totient is φ = 203520.

The previous prime is 671999. The next prime is 672019. The reversal of 672012 is 210276.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (672019) 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, 453 + ... + 1244.

It is an arithmetic number, because the mean of its divisors is an integer number (51506).

2⁶⁷²⁰¹² is an apocalyptic number.

It is an amenable number.

672012 is an abundant number, since it is smaller than the sum of its proper divisors (1182204).

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

672012 is a wasteful number, since it uses less digits than its factorization.

672012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718 (or 1713 counting only the distinct ones).

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

The square root of 672012 is about 819.7633804946. The cubic root of 672012 is about 87.5909041660.

Adding to 672012 its reverse (210276), we get a palindrome (882288).

The spelling of 672012 in words is "six hundred seventy-two thousand, twelve".