172200071 has 8 divisors (see below), whose sum is σ = 177949824. Its totient is φ = 166462560.

The previous prime is 172200019. The next prime is 172200101. The reversal of 172200071 is 170002271.

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

It is a de Polignac number, because none of the positive numbers 2^k-172200071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172206071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32141 + ... + 37113.

It is an arithmetic number, because the mean of its divisors is an integer number (22243728).

Almost surely, 2^172200071 is an apocalyptic number.

172200071 is a deficient number, since it is larger than the sum of its proper divisors (5749753).

172200071 is a wasteful number, since it uses less digits than its factorization.

172200071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6121.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 172200071 is about 13122.5024671364. The cubic root of 172200071 is about 556.3453237974.

The spelling of 172200071 in words is "one hundred seventy-two million, two hundred thousand, seventy-one".