673424375 has 20 divisors (see below), whose sum is σ = 906253656. Its totient is φ = 497292000.

The previous prime is 673424371. The next prime is 673424447. The reversal of 673424375 is 573424376.

It is not a de Polignac number, because 673424375 - 2² = 673424371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673424371) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 33317 + ... + 49566.

Almost surely, 2^673424375 is an apocalyptic number.

673424375 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

673424375 is a deficient number, since it is larger than the sum of its proper divisors (232829281).

673424375 is an equidigital number, since it uses as much as digits as its factorization.

673424375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82916 (or 82901 counting only the distinct ones).

The product of its digits is 423360, while the sum is 41.

The square root of 673424375 is about 25950.4214801995. The cubic root of 673424375 is about 876.5222481498.

Subtracting from 673424375 its reverse (573424376), we obtain a palindrome (99999999).

It can be divided in two parts, 67342 and 4375, that added together give a palindrome (71717).

The spelling of 673424375 in words is "six hundred seventy-three million, four hundred twenty-four thousand, three hundred seventy-five".