172033713 has 20 divisors (see below), whose sum is σ = 265853940. Its totient is φ = 110732832.

The previous prime is 172033703. The next prime is 172033717. The reversal of 172033713 is 317330271.

It can be written as a sum of positive squares in 2 ways, for example, as 86434209 + 85599504 = 9297^2 + 9252^2 .

It is not a de Polignac number, because 172033713 - 2⁶ = 172033649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (172033717) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34270 + ... + 38967.

It is an arithmetic number, because the mean of its divisors is an integer number (13292697).

Almost surely, 2^172033713 is an apocalyptic number.

It is an amenable number.

172033713 is a deficient number, since it is larger than the sum of its proper divisors (93820227).

172033713 is an equidigital number, since it uses as much as digits as its factorization.

172033713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73278 (or 73269 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 27.

The square root of 172033713 is about 13116.1622817042. The cubic root of 172033713 is about 556.1661091683.

Adding to 172033713 its reverse (317330271), we get a palindrome (489363984).

The spelling of 172033713 in words is "one hundred seventy-two million, thirty-three thousand, seven hundred thirteen".