172276046 has 16 divisors (see below), whose sum is σ = 260894304. Its totient is φ = 85315584.

The previous prime is 172276019. The next prime is 172276057. The reversal of 172276046 is 640672271.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 172275997 and 172276015.

It is a congruent number.

It is an unprimeable number.

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, 100670 + ... + 102366.

It is an arithmetic number, because the mean of its divisors is an integer number (16305894).

Almost surely, 2^172276046 is an apocalyptic number.

172276046 is a deficient number, since it is larger than the sum of its proper divisors (88618258).

172276046 is a wasteful number, since it uses less digits than its factorization.

172276046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 172276046 is about 13125.3969844725. The cubic root of 172276046 is about 556.4271319735.

The spelling of 172276046 in words is "one hundred seventy-two million, two hundred seventy-six thousand, forty-six".