170749120 has 56 divisors (see below), whose sum is σ = 415283904. Its totient is φ = 66840576.

The previous prime is 170749069. The next prime is 170749141. The reversal of 170749120 is 21947071.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9364 + ... + 20716.

It is an arithmetic number, because the mean of its divisors is an integer number (7415784).

Almost surely, 2^170749120 is an apocalyptic number.

170749120 is a gapful number since it is divisible by the number (10) 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 170749120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207641952).

170749120 is an abundant number, since it is smaller than the sum of its proper divisors (244534784).

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

170749120 is a wasteful number, since it uses less digits than its factorization.

170749120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11417 (or 11407 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 170749120 is about 13067.1006730644. The cubic root of 170749120 is about 554.7783331430.

The spelling of 170749120 in words is "one hundred seventy million, seven hundred forty-nine thousand, one hundred twenty".