173540434 has 8 divisors (see below), whose sum is σ = 267346188. Its totient is φ = 84425040.

The previous prime is 173540431. The next prime is 173540443. The reversal of 173540434 is 434045371.

It can be written as a sum of positive squares in 2 ways, for example, as 155875225 + 17665209 = 12485^2 + 4203^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 173540396 and 173540405.

It is not an unprimeable number, because it can be changed into a prime (173540431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1172497 + ... + 1172644.

Almost surely, 2^173540434 is an apocalyptic number.

173540434 is a deficient number, since it is larger than the sum of its proper divisors (93805754).

173540434 is a wasteful number, since it uses less digits than its factorization.

173540434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345180.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 173540434 is about 13173.4746365566. The cubic root of 173540434 is about 557.7850797209.

The spelling of 173540434 in words is "one hundred seventy-three million, five hundred forty thousand, four hundred thirty-four".