672604 has 6 divisors (see below), whose sum is σ = 1177064. Its totient is φ = 336300.

The previous prime is 672593. The next prime is 672629. The reversal of 672604 is 406276.

672604 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is a super-2 number, since 2×672604² = 904792281632, which contains 22 as substring.

It is a plaindrome in base 9.

It is a congruent number.

It is an unprimeable number.

672604 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84072 + ... + 84079.

2⁶⁷²⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

672604 is a deficient number, since it is larger than the sum of its proper divisors (504460).

672604 is a wasteful number, since it uses less digits than its factorization.

672604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168155 (or 168153 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 672604 is about 820.1243808106. The cubic root of 672604 is about 87.6166172961.

The spelling of 672604 in words is "six hundred seventy-two thousand, six hundred four".