173402997 has 8 divisors (see below), whose sum is σ = 232969440. Its totient is φ = 114719280.

The previous prime is 173402989. The next prime is 173403029. The reversal of 173402997 is 799204371.

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

It is not a de Polignac number, because 173402997 - 2³ = 173402989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173402927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220222 + ... + 221007.

It is an arithmetic number, because the mean of its divisors is an integer number (29121180).

Almost surely, 2^173402997 is an apocalyptic number.

It is an amenable number.

173402997 is a deficient number, since it is larger than the sum of its proper divisors (59566443).

173402997 is a wasteful number, since it uses less digits than its factorization.

173402997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441363.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 173402997 is about 13168.2571739771. The cubic root of 173402997 is about 557.6377930964.

The spelling of 173402997 in words is "one hundred seventy-three million, four hundred two thousand, nine hundred ninety-seven".