173140992 has 66 divisors (see below), whose sum is σ = 499967468. Its totient is φ = 57710592.

The previous prime is 173140963. The next prime is 173140993. The reversal of 173140992 is 299041371.

It is a super-2 number, since 2×173140992² = 59955606221488128, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 (173140993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178 + ... + 18609.

Almost surely, 2^173140992 is an apocalyptic number.

173140992 is a gapful number since it is divisible by the number (12) 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 173140992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249983734).

173140992 is an abundant number, since it is smaller than the sum of its proper divisors (326826476).

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

173140992 is a wasteful number, since it uses less digits than its factorization.

173140992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18813 (or 18792 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 173140992 is about 13158.3050580232. The cubic root of 173140992 is about 557.3567953819.

The spelling of 173140992 in words is "one hundred seventy-three million, one hundred forty thousand, nine hundred ninety-two".