672533456 has 20 divisors (see below), whose sum is σ = 1489181472. Its totient is φ = 288228576.

The previous prime is 672533429. The next prime is 672533467. The reversal of 672533456 is 654335276.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3002270 + ... + 3002493.

Almost surely, 2^672533456 is an apocalyptic number.

It is an amenable number.

672533456 is an abundant number, since it is smaller than the sum of its proper divisors (816648016).

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

672533456 is a wasteful number, since it uses less digits than its factorization.

672533456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6004778 (or 6004772 counting only the distinct ones).

The product of its digits is 453600, while the sum is 41.

The square root of 672533456 is about 25933.2500084351. The cubic root of 672533456 is about 876.1355405598.

The spelling of 672533456 in words is "six hundred seventy-two million, five hundred thirty-three thousand, four hundred fifty-six".