172375973 has 24 divisors (see below), whose sum is σ = 219821184. Its totient is φ = 133660800.

The previous prime is 172375967. The next prime is 172375997. The reversal of 172375973 is 379573271.

It is not a de Polignac number, because 172375973 - 2⁶ = 172375909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172375943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129236 + ... + 130562.

It is an arithmetic number, because the mean of its divisors is an integer number (9159216).

Almost surely, 2^172375973 is an apocalyptic number.

It is an amenable number.

172375973 is a deficient number, since it is larger than the sum of its proper divisors (47445211).

172375973 is a wasteful number, since it uses less digits than its factorization.

172375973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593 (or 1586 counting only the distinct ones).

The product of its digits is 277830, while the sum is 44.

The square root of 172375973 is about 13129.2030603537. The cubic root of 172375973 is about 556.5346945130.

The spelling of 172375973 in words is "one hundred seventy-two million, three hundred seventy-five thousand, nine hundred seventy-three".