168873075 has 72 divisors (see below), whose sum is σ = 348192000. Its totient is φ = 76639680.

The previous prime is 168873049. The next prime is 168873079. The reversal of 168873075 is 570378861.

It is not a de Polignac number, because 168873075 - 2⁶ = 168873011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 168873075.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168873079) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 281626 + ... + 282224.

It is an arithmetic number, because the mean of its divisors is an integer number (4836000).

Almost surely, 2^168873075 is an apocalyptic number.

168873075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

168873075 is an abundant number, since it is smaller than the sum of its proper divisors (179318925).

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

168873075 is a wasteful number, since it uses less digits than its factorization.

168873075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 168873075 is about 12995.1173522981. The cubic root of 168873075 is about 552.7390364973.

The spelling of 168873075 in words is "one hundred sixty-eight million, eight hundred seventy-three thousand, seventy-five".