173973990 has 32 divisors (see below), whose sum is σ = 419963616. Its totient is φ = 46123520.

The previous prime is 173973983. The next prime is 173973991. The reversal of 173973990 is 99379371.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173973991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11571 + ... + 21950.

It is an arithmetic number, because the mean of its divisors is an integer number (13123863).

Almost surely, 2^173973990 is an apocalyptic number.

173973990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

173973990 is an abundant number, since it is smaller than the sum of its proper divisors (245989626).

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

173973990 is a wasteful number, since it uses less digits than its factorization.

173973990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33704.

The product of its (nonzero) digits is 321489, while the sum is 48.

The square root of 173973990 is about 13189.9200149205. The cubic root of 173973990 is about 558.2491981834.

The spelling of 173973990 in words is "one hundred seventy-three million, nine hundred seventy-three thousand, nine hundred ninety".