673722603 has 24 divisors (see below), whose sum is σ = 1036487088. Its totient is φ = 437003424.

The previous prime is 673722583. The next prime is 673722617. The reversal of 673722603 is 306227376.

It is a de Polignac number, because none of the positive numbers 2^k-673722603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (673722683) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28476 + ... + 46457.

It is an arithmetic number, because the mean of its divisors is an integer number (43186962).

Almost surely, 2^673722603 is an apocalyptic number.

673722603 is a deficient number, since it is larger than the sum of its proper divisors (362764485).

673722603 is an equidigital number, since it uses as much as digits as its factorization.

673722603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74985 (or 74973 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 673722603 is about 25956.1669550803. The cubic root of 673722603 is about 876.6516192212.

Adding to 673722603 its reverse (306227376), we get a palindrome (979949979).

The spelling of 673722603 in words is "six hundred seventy-three million, seven hundred twenty-two thousand, six hundred three".