673507 has 4 divisors (see below), whose sum is σ = 689976. Its totient is φ = 657040.

The previous prime is 673499. The next prime is 673513. The reversal of 673507 is 705376.

673507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 673507 - 2³ = 673499 is a prime.

It is a super-2 number, since 2×673507² = 907223358098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673567) 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, 8173 + ... + 8254.

It is an arithmetic number, because the mean of its divisors is an integer number (172494).

2⁶⁷³⁵⁰⁷ is an apocalyptic number.

673507 is a deficient number, since it is larger than the sum of its proper divisors (16469).

673507 is a wasteful number, since it uses less digits than its factorization.

673507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16468.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 673507 is about 820.6747224083. The cubic root of 673507 is about 87.6558094634.

The spelling of 673507 in words is "six hundred seventy-three thousand, five hundred seven".