672735473 has 8 divisors (see below), whose sum is σ = 691477248. Its totient is φ = 654134544.

The previous prime is 672735463. The next prime is 672735499. The reversal of 672735473 is 374537276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672735473 is a prime.

It is a super-3 number, since 3×672735473³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672735463) 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 7 ways as a sum of consecutive naturals, for example, 25490 + ... + 44667.

It is an arithmetic number, because the mean of its divisors is an integer number (86434656).

Almost surely, 2^672735473 is an apocalyptic number.

It is an amenable number.

672735473 is a deficient number, since it is larger than the sum of its proper divisors (18741775).

672735473 is a wasteful number, since it uses less digits than its factorization.

672735473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70423.

The product of its digits is 740880, while the sum is 44.

The square root of 672735473 is about 25937.1446578069. The cubic root of 672735473 is about 876.2232569170.

The spelling of 672735473 in words is "six hundred seventy-two million, seven hundred thirty-five thousand, four hundred seventy-three".