173400689 has 8 divisors (see below), whose sum is σ = 216187968. Its totient is φ = 135117360.

The previous prime is 173400677. The next prime is 173400713. The reversal of 173400689 is 986004371.

173400689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 173400689 - 2²⁰ = 172352113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (173400649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1125902 + ... + 1126055.

It is an arithmetic number, because the mean of its divisors is an integer number (27023496).

Almost surely, 2^173400689 is an apocalyptic number.

It is an amenable number.

173400689 is a deficient number, since it is larger than the sum of its proper divisors (42787279).

173400689 is a wasteful number, since it uses less digits than its factorization.

173400689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251975.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 173400689 is about 13168.1695387020. The cubic root of 173400689 is about 557.6353190259.

The spelling of 173400689 in words is "one hundred seventy-three million, four hundred thousand, six hundred eighty-nine".