170725152 has 144 divisors (see below), whose sum is σ = 514654560. Its totient is φ = 49360896.

The previous prime is 170725129. The next prime is 170725157. The reversal of 170725152 is 251527071.

It is not an unprimeable number, because it can be changed into a prime (170725157) 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 23 ways as a sum of consecutive naturals, for example, 275499 + ... + 276117.

It is an arithmetic number, because the mean of its divisors is an integer number (3573990).

Almost surely, 2^170725152 is an apocalyptic number.

170725152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 170725152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257327280).

170725152 is an abundant number, since it is smaller than the sum of its proper divisors (343929408).

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

170725152 is a wasteful number, since it uses less digits than its factorization.

170725152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 170725152 is about 13066.1835284830. The cubic root of 170725152 is about 554.7523739086.

The spelling of 170725152 in words is "one hundred seventy million, seven hundred twenty-five thousand, one hundred fifty-two".