670504 has 8 divisors (see below), whose sum is σ = 1257210. Its totient is φ = 335248.

The previous prime is 670493. The next prime is 670507. The reversal of 670504 is 405076.

It can be written as a sum of positive squares in only one way, i.e., 422500 + 248004 = 650^2 + 498^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×670504² = 899151228032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (670507) by changing a digit.

670504 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, 41899 + ... + 41914.

2⁶⁷⁰⁵⁰⁴ is an apocalyptic number.

It is an amenable number.

670504 is a deficient number, since it is larger than the sum of its proper divisors (586706).

670504 is a wasteful number, since it uses less digits than its factorization.

670504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83819 (or 83815 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 670504 is about 818.8430863114. The cubic root of 670504 is about 87.5253368803.

The spelling of 670504 in words is "six hundred seventy thousand, five hundred four".