172343434 has 8 divisors (see below), whose sum is σ = 259342020. Its totient is φ = 85896096.

The previous prime is 172343417. The next prime is 172343443. The reversal of 172343434 is 434343271.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 130028409 + 42315025 = 11403^2 + 6505^2 .

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 = 172343396 and 172343405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137029 + ... + 138280.

Almost surely, 2^172343434 is an apocalyptic number.

172343434 is a deficient number, since it is larger than the sum of its proper divisors (86998586).

172343434 is a wasteful number, since it uses less digits than its factorization.

172343434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275624.

The product of its digits is 24192, while the sum is 31.

The square root of 172343434 is about 13127.9638177442. The cubic root of 172343434 is about 556.4996737351.

The spelling of 172343434 in words is "one hundred seventy-two million, three hundred forty-three thousand, four hundred thirty-four".