672544 has 12 divisors (see below), whose sum is σ = 1324134. Its totient is φ = 336256.

The previous prime is 672521. The next prime is 672557. The reversal of 672544 is 445276.

It can be written as a sum of positive squares in only one way, i.e., 672400 + 144 = 820^2 + 12^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10477 + ... + 10540.

2⁶⁷²⁵⁴⁴ is an apocalyptic number.

It is an amenable number.

672544 is a deficient number, since it is larger than the sum of its proper divisors (651590).

672544 is a wasteful number, since it uses less digits than its factorization.

672544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21027 (or 21019 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 672544 is about 820.0878001775. The cubic root of 672544 is about 87.6140119229.

The spelling of 672544 in words is "six hundred seventy-two thousand, five hundred forty-four".