172498039 has 8 divisors (see below), whose sum is σ = 197701920. Its totient is φ = 147434496.

The previous prime is 172498019. The next prime is 172498087. The reversal of 172498039 is 930894271.

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

It is a cyclic number.

It is not a de Polignac number, because 172498039 - 2¹⁷ = 172366967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 172497986 and 172498004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172498009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32434 + ... + 37375.

It is an arithmetic number, because the mean of its divisors is an integer number (24712740).

Almost surely, 2^172498039 is an apocalyptic number.

172498039 is a deficient number, since it is larger than the sum of its proper divisors (25203881).

172498039 is an equidigital number, since it uses as much as digits as its factorization.

172498039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70169.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 172498039 is about 13133.8508823574. The cubic root of 172498039 is about 556.6660313298. Note that the first 3 decimals are identical.

The spelling of 172498039 in words is "one hundred seventy-two million, four hundred ninety-eight thousand, thirty-nine".