670874 has 8 divisors (see below), whose sum is σ = 1025460. Its totient is φ = 329056.

The previous prime is 670867. The next prime is 670877. The reversal of 670874 is 478076.

670874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 628849 + 42025 = 793^2 + 205^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 670874.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670874.

It is not an unprimeable number, because it can be changed into a prime (670877) 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, 3059 + ... + 3270.

2⁶⁷⁰⁸⁷⁴ is an apocalyptic number.

670874 is a deficient number, since it is larger than the sum of its proper divisors (354586).

670874 is a wasteful number, since it uses less digits than its factorization.

670874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6384.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 670874 is about 819.0689836638. The cubic root of 670874 is about 87.5414334384.

The spelling of 670874 in words is "six hundred seventy thousand, eight hundred seventy-four".