172072034 has 4 divisors (see below), whose sum is σ = 258108054. Its totient is φ = 86036016.

The previous prime is 172072027. The next prime is 172072049. The reversal of 172072034 is 430270271.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 132319009 + 39753025 = 11503^2 + 6305^2 .

It is a junction number, because it is equal to n+sod(n) for n = 172071994 and 172072012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43018007 + ... + 43018010.

Almost surely, 2^172072034 is an apocalyptic number.

172072034 is a deficient number, since it is larger than the sum of its proper divisors (86036020).

172072034 is an equidigital number, since it uses as much as digits as its factorization.

172072034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86036019.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 172072034 is about 13117.6230316319. The cubic root of 172072034 is about 556.2074019645.

The spelling of 172072034 in words is "one hundred seventy-two million, seventy-two thousand, thirty-four".