670471 has 2 divisors, whose sum is σ = 670472. Its totient is φ = 670470.

The previous prime is 670457. The next prime is 670487. The reversal of 670471 is 174076.

670471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 670471 - 2⁷ = 670343 is a prime.

It is a super-3 number, since 3×670471³ = 904193225114691333, which contains 333 as substring.

670471 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335235 + 335236.

It is an arithmetic number, because the mean of its divisors is an integer number (335236).

2⁶⁷⁰⁴⁷¹ is an apocalyptic number.

670471 is a deficient number, since it is larger than the sum of its proper divisors (1).

670471 is an equidigital number, since it uses as much as digits as its factorization.

670471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 670471 is about 818.8229356827. The cubic root of 670471 is about 87.5239009538.

The spelling of 670471 in words is "six hundred seventy thousand, four hundred seventy-one".