170272340 has 96 divisors (see below), whose sum is σ = 447793920. Its totient is φ = 53028864.

The previous prime is 170272337. The next prime is 170272343. The reversal of 170272340 is 43272071.

It is an interprime number because it is at equal distance from previous prime (170272337) and next prime (170272343).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170272343) 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 31 ways as a sum of consecutive naturals, for example, 67787 + ... + 70253.

It is an arithmetic number, because the mean of its divisors is an integer number (4664520).

Almost surely, 2^170272340 is an apocalyptic number.

170272340 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 170272340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223896960).

170272340 is an abundant number, since it is smaller than the sum of its proper divisors (277521580).

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

170272340 is a wasteful number, since it uses less digits than its factorization.

170272340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2529 (or 2527 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 170272340 is about 13048.8443932787. The cubic root of 170272340 is about 554.2614856001.

The spelling of 170272340 in words is "one hundred seventy million, two hundred seventy-two thousand, three hundred forty".