673602539 has 4 divisors (see below), whose sum is σ = 678906624. Its totient is φ = 668298456.

The previous prime is 673602533. The next prime is 673602551. The reversal of 673602539 is 935206376.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 673602539 - 2⁸ = 673602283 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 673602496 and 673602505.

It is not an unprimeable number, because it can be changed into a prime (673602533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2651852 + ... + 2652105.

It is an arithmetic number, because the mean of its divisors is an integer number (169726656).

Almost surely, 2^673602539 is an apocalyptic number.

673602539 is a deficient number, since it is larger than the sum of its proper divisors (5304085).

673602539 is a wasteful number, since it uses less digits than its factorization.

673602539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5304084.

The product of its (nonzero) digits is 204120, while the sum is 41.

The square root of 673602539 is about 25953.8540297968. The cubic root of 673602539 is about 876.5995401447.

The spelling of 673602539 in words is "six hundred seventy-three million, six hundred two thousand, five hundred thirty-nine".