672534943 has 16 divisors (see below), whose sum is σ = 727212384. Its totient is φ = 619637760.

The previous prime is 672534937. The next prime is 672534971. The reversal of 672534943 is 349435276.

It is not a de Polignac number, because 672534943 - 2²¹ = 670437791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 672534943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672534983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233971 + ... + 236827.

It is an arithmetic number, because the mean of its divisors is an integer number (45450774).

Almost surely, 2^672534943 is an apocalyptic number.

672534943 is a deficient number, since it is larger than the sum of its proper divisors (54677441).

672534943 is a wasteful number, since it uses less digits than its factorization.

672534943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162.

The product of its digits is 544320, while the sum is 43.

The square root of 672534943 is about 25933.2786781772. The cubic root of 672534943 is about 876.1361862836.

The spelling of 672534943 in words is "six hundred seventy-two million, five hundred thirty-four thousand, nine hundred forty-three".