672456 has 16 divisors (see below), whose sum is σ = 1681200. Its totient is φ = 224144.

The previous prime is 672443. The next prime is 672473. The reversal of 672456 is 654276.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13986 + ... + 14033.

It is an arithmetic number, because the mean of its divisors is an integer number (105075).

2⁶⁷²⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

672456 is an abundant number, since it is smaller than the sum of its proper divisors (1008744).

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

672456 is a wasteful number, since it uses less digits than its factorization.

672456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28028 (or 28024 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 672456 is about 820.0341456305. The cubic root of 672456 is about 87.6101904285.

It can be divided in two parts, 672 and 456, that added together give a triangular number (1128 = T₄₇).

The spelling of 672456 in words is "six hundred seventy-two thousand, four hundred fifty-six".