172001733 has 16 divisors (see below), whose sum is σ = 250661376. Its totient is φ = 104440320.

The previous prime is 172001729. The next prime is 172001741. The reversal of 172001733 is 337100271.

It is not a de Polignac number, because 172001733 - 2² = 172001729 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172001783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52816 + ... + 55977.

It is an arithmetic number, because the mean of its divisors is an integer number (15666336).

Almost surely, 2^172001733 is an apocalyptic number.

It is an amenable number.

172001733 is a deficient number, since it is larger than the sum of its proper divisors (78659643).

172001733 is a wasteful number, since it uses less digits than its factorization.

172001733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108844.

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 172001733 is about 13114.9431184432. The cubic root of 172001733 is about 556.1316444228.

The spelling of 172001733 in words is "one hundred seventy-two million, one thousand, seven hundred thirty-three".