172047733 has 16 divisors (see below), whose sum is σ = 202579776. Its totient is φ = 144051840.

The previous prime is 172047721. The next prime is 172047763. The reversal of 172047733 is 337740271.

172047733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 172047733 - 2⁹ = 172047221 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 (172047703) 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, 79441 + ... + 81577.

It is an arithmetic number, because the mean of its divisors is an integer number (12661236).

Almost surely, 2^172047733 is an apocalyptic number.

172047733 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

172047733 is a deficient number, since it is larger than the sum of its proper divisors (30532043).

172047733 is a wasteful number, since it uses less digits than its factorization.

172047733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724.

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 172047733 is about 13116.6967259291. The cubic root of 172047733 is about 556.1812171315.

The spelling of 172047733 in words is "one hundred seventy-two million, forty-seven thousand, seven hundred thirty-three".