670550 has 12 divisors (see below), whose sum is σ = 1247316. Its totient is φ = 268200.

The previous prime is 670543. The next prime is 670559. The reversal of 670550 is 55076.

670550 = T₂₁₉ + T₂₂₀ + ... + T₂₄₃.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6656 + ... + 6755.

It is an arithmetic number, because the mean of its divisors is an integer number (103943).

2⁶⁷⁰⁵⁵⁰ is an apocalyptic number.

670550 is a deficient number, since it is larger than the sum of its proper divisors (576766).

670550 is a wasteful number, since it uses less digits than its factorization.

670550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13423 (or 13418 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 670550 is about 818.8711742393. The cubic root of 670550 is about 87.5273383963.

The spelling of 670550 in words is "six hundred seventy thousand, five hundred fifty".