170272940 has 12 divisors (see below), whose sum is σ = 357573216. Its totient is φ = 68109168.

The previous prime is 170272919. The next prime is 170272943. The reversal of 170272940 is 49272071.

It is a junction number, because it is equal to n+sod(n) for n = 170272897 and 170272906.

It is not an unprimeable number, because it can be changed into a prime (170272943) 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, 4256804 + ... + 4256843.

It is an arithmetic number, because the mean of its divisors is an integer number (29797768).

Almost surely, 2^170272940 is an apocalyptic number.

170272940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

170272940 is an abundant number, since it is smaller than the sum of its proper divisors (187300276).

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

170272940 is a wasteful number, since it uses less digits than its factorization.

170272940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8513656 (or 8513654 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 170272940 is about 13048.8673838000. The cubic root of 170272940 is about 554.2621366287.

The spelling of 170272940 in words is "one hundred seventy million, two hundred seventy-two thousand, nine hundred forty".