173994920 has 32 divisors (see below), whose sum is σ = 427079520. Its totient is φ = 63270720.

The previous prime is 173994917. The next prime is 173994967. The reversal of 173994920 is 29499371.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197282 + ... + 198161.

It is an arithmetic number, because the mean of its divisors is an integer number (13346235).

Almost surely, 2^173994920 is an apocalyptic number.

173994920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

173994920 is an abundant number, since it is smaller than the sum of its proper divisors (253084600).

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

173994920 is a wasteful number, since it uses less digits than its factorization.

173994920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395465 (or 395461 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 173994920 is about 13190.7133999644. The cubic root of 173994920 is about 558.2715840723.

The spelling of 173994920 in words is "one hundred seventy-three million, nine hundred ninety-four thousand, nine hundred twenty".