170448972 has 24 divisors (see below), whose sum is σ = 407415792. Its totient is φ = 55430400.

The previous prime is 170448923. The next prime is 170448977. The reversal of 170448972 is 279844071.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (170448977) 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 7 ways as a sum of consecutive naturals, for example, 172729 + ... + 173712.

It is an arithmetic number, because the mean of its divisors is an integer number (16975658).

Almost surely, 2^170448972 is an apocalyptic number.

170448972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

170448972 is an abundant number, since it is smaller than the sum of its proper divisors (236966820).

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

170448972 is a wasteful number, since it uses less digits than its factorization.

170448972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346489 (or 346487 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 170448972 is about 13055.6107478739. The cubic root of 170448972 is about 554.4530737385.

The spelling of 170448972 in words is "one hundred seventy million, four hundred forty-eight thousand, nine hundred seventy-two".