172193073 has 8 divisors (see below), whose sum is σ = 247251648. Its totient is φ = 105964944.

The previous prime is 172193069. The next prime is 172193123. The reversal of 172193073 is 370391271.

It is a happy number.

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

It is not a de Polignac number, because 172193073 - 2² = 172193069 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172193033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2207565 + ... + 2207642.

It is an arithmetic number, because the mean of its divisors is an integer number (30906456).

Almost surely, 2^172193073 is an apocalyptic number.

172193073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

172193073 is a deficient number, since it is larger than the sum of its proper divisors (75058575).

172193073 is a wasteful number, since it uses less digits than its factorization.

172193073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415223.

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 172193073 is about 13122.2358232124. The cubic root of 172193073 is about 556.3377872977.

The spelling of 172193073 in words is "one hundred seventy-two million, one hundred ninety-three thousand, seventy-three".