672403543 has 8 divisors (see below), whose sum is σ = 769315712. Its totient is φ = 575705016.

The previous prime is 672403519. The next prime is 672403591. The reversal of 672403543 is 345304276.

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

It is a cyclic number.

It is not a de Polignac number, because 672403543 - 2⁹ = 672403031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 672403499 and 672403508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672403243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46605 + ... + 59302.

It is an arithmetic number, because the mean of its divisors is an integer number (96164464).

Almost surely, 2^672403543 is an apocalyptic number.

672403543 is a deficient number, since it is larger than the sum of its proper divisors (96912169).

672403543 is a wasteful number, since it uses less digits than its factorization.

672403543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106821.

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 672403543 is about 25930.7451300575. The cubic root of 672403543 is about 876.0791226844.

The spelling of 672403543 in words is "six hundred seventy-two million, four hundred three thousand, five hundred forty-three".