670901 has 8 divisors (see below), whose sum is σ = 836544. Its totient is φ = 522720.

The previous prime is 670897. The next prime is 670903. The reversal of 670901 is 109076.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 670901 - 2² = 670897 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670903) 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 7 ways as a sum of consecutive naturals, for example, 4280 + ... + 4433.

It is an arithmetic number, because the mean of its divisors is an integer number (104568).

2⁶⁷⁰⁹⁰¹ is an apocalyptic number.

It is an amenable number.

670901 is a deficient number, since it is larger than the sum of its proper divisors (165643).

670901 is a wasteful number, since it uses less digits than its factorization.

670901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8731.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 670901 is about 819.0854656261. The cubic root of 670901 is about 87.5426078203.

Adding to 670901 its reverse (109076), we get a palindrome (779977).

It can be divided in two parts, 6 and 70901, that added together give a palindrome (70907).

The spelling of 670901 in words is "six hundred seventy thousand, nine hundred one".