173902 has 4 divisors (see below), whose sum is σ = 260856. Its totient is φ = 86950.

The previous prime is 173897. The next prime is 173909. The reversal of 173902 is 209371.

It is a semiprime because it is the product of two primes.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43474 + ... + 43477.

It is an arithmetic number, because the mean of its divisors is an integer number (65214).

2¹⁷³⁹⁰² is an apocalyptic number.

173902 is a deficient number, since it is larger than the sum of its proper divisors (86954).

173902 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 11 representation: 173902 = (109723)₁₁.

173902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86953.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 173902 is about 417.0155872387. The cubic root of 173902 is about 55.8172186855.

The spelling of 173902 in words is "one hundred seventy-three thousand, nine hundred two".