672733400 has 24 divisors (see below), whose sum is σ = 1564105620. Its totient is φ = 269093280.

The previous prime is 672733393. The next prime is 672733403. The reversal of 672733400 is 4337276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672733403) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1681634 + ... + 1682033.

Almost surely, 2^672733400 is an apocalyptic number.

It is an amenable number.

672733400 is an abundant number, since it is smaller than the sum of its proper divisors (891372220).

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

672733400 is a wasteful number, since it uses less digits than its factorization.

672733400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363683 (or 3363674 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 672733400 is about 25937.1046957828. The cubic root of 672733400 is about 876.2223569036. Note that the first 3 decimals are identical.

The spelling of 672733400 in words is "six hundred seventy-two million, seven hundred thirty-three thousand, four hundred".