170147072 has 36 divisors (see below), whose sum is σ = 340742976. Its totient is φ = 84794880.

The previous prime is 170147017. The next prime is 170147083. The reversal of 170147072 is 270741071.

170147072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×170147072² = 57900052220346368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93047 + ... + 94857.

Almost surely, 2^170147072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 170147072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170371488).

170147072 is an abundant number, since it is smaller than the sum of its proper divisors (170595904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

170147072 is an equidigital number, since it uses as much as digits as its factorization.

170147072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194 (or 2180 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 170147072 is about 13044.0435448522. The cubic root of 170147072 is about 554.1255303389.

The spelling of 170147072 in words is "one hundred seventy million, one hundred forty-seven thousand, seventy-two".