170472641 has 4 divisors (see below), whose sum is σ = 171558612. Its totient is φ = 169386672.

The previous prime is 170472623. The next prime is 170472649. The reversal of 170472641 is 146274071.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 130416400 + 40056241 = 11420^2 + 6329^2 .

It is not a de Polignac number, because 170472641 - 2²² = 166278337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 170472598 and 170472607.

It is not an unprimeable number, because it can be changed into a prime (170472649) 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 3 ways as a sum of consecutive naturals, for example, 542750 + ... + 543063.

It is an arithmetic number, because the mean of its divisors is an integer number (42889653).

Almost surely, 2^170472641 is an apocalyptic number.

It is an amenable number.

170472641 is a deficient number, since it is larger than the sum of its proper divisors (1085971).

170472641 is a wasteful number, since it uses less digits than its factorization.

170472641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085970.

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

The square root of 170472641 is about 13056.5171849157. The cubic root of 170472641 is about 554.4787368294.

The spelling of 170472641 in words is "one hundred seventy million, four hundred seventy-two thousand, six hundred forty-one".