172772241 has 8 divisors (see below), whose sum is σ = 243913824. Its totient is φ = 108406080.

The previous prime is 172772233. The next prime is 172772267. The reversal of 172772241 is 142277271.

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

It is not a de Polignac number, because 172772241 - 2³ = 172772233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172772441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1693795 + ... + 1693896.

It is an arithmetic number, because the mean of its divisors is an integer number (30489228).

Almost surely, 2^172772241 is an apocalyptic number.

It is an amenable number.

172772241 is a deficient number, since it is larger than the sum of its proper divisors (71141583).

172772241 is a wasteful number, since it uses less digits than its factorization.

172772241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387711.

The product of its digits is 10976, while the sum is 33.

The square root of 172772241 is about 13144.2854883786. The cubic root of 172772241 is about 556.9608330047.

The spelling of 172772241 in words is "one hundred seventy-two million, seven hundred seventy-two thousand, two hundred forty-one".