673193725 has 12 divisors (see below), whose sum is σ = 857322484. Its totient is φ = 523998720.

The previous prime is 673193723. The next prime is 673193753. The reversal of 673193725 is 527391376.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4919524 + 668274201 = 2218^2 + 25851^2 .

It is not a de Polignac number, because 673193725 - 2¹ = 673193723 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 (673193723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362964 + ... + 364813.

Almost surely, 2^673193725 is an apocalyptic number.

It is an amenable number.

673193725 is a deficient number, since it is larger than the sum of its proper divisors (184128759).

673193725 is a wasteful number, since it uses less digits than its factorization.

673193725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727824 (or 727819 counting only the distinct ones).

The product of its digits is 238140, while the sum is 43.

The square root of 673193725 is about 25945.9770484752. The cubic root of 673193725 is about 876.4221661660.

The spelling of 673193725 in words is "six hundred seventy-three million, one hundred ninety-three thousand, seven hundred twenty-five".