68173092 has 144 divisors (see below), whose sum is σ = 198295552. Its totient is φ = 19595520.

The previous prime is 68173073. The next prime is 68173093. The reversal of 68173092 is 29037186.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (68173093) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 536733 + ... + 536859.

Almost surely, 2^68173092 is an apocalyptic number.

68173092 is a gapful number since it is divisible by the number (62) 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 68173092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99147776).

68173092 is an abundant number, since it is smaller than the sum of its proper divisors (130122460).

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

68173092 is a wasteful number, since it uses less digits than its factorization.

68173092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 68173092 is about 8256.6998249906. The cubic root of 68173092 is about 408.5115411875.

The spelling of 68173092 in words is "sixty-eight million, one hundred seventy-three thousand, ninety-two".