170420471 has 8 divisors (see below), whose sum is σ = 186044880. Its totient is φ = 155155392.

The previous prime is 170420441. The next prime is 170420473. The reversal of 170420471 is 174024071.

170420471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 170420471 - 2⁶ = 170420407 is a prime.

It is a super-3 number, since 3×170420471³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 170420471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170420473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88841 + ... + 90738.

It is an arithmetic number, because the mean of its divisors is an integer number (23255610).

Almost surely, 2^170420471 is an apocalyptic number.

170420471 is a deficient number, since it is larger than the sum of its proper divisors (15624409).

170420471 is a wasteful number, since it uses less digits than its factorization.

170420471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179665.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 170420471 is about 13054.5191791961. The cubic root of 170420471 is about 554.4221684032.

The spelling of 170420471 in words is "one hundred seventy million, four hundred twenty thousand, four hundred seventy-one".