172036473 has 16 divisors (see below), whose sum is σ = 262634496. Its totient is φ = 98125200.

The previous prime is 172036457. The next prime is 172036477. The reversal of 172036473 is 374630271.

It is not a de Polignac number, because 172036473 - 2⁴ = 172036457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172036477) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 4548 + ... + 19098.

It is an arithmetic number, because the mean of its divisors is an integer number (16414656).

Almost surely, 2^172036473 is an apocalyptic number.

It is an amenable number.

172036473 is a deficient number, since it is larger than the sum of its proper divisors (90598023).

172036473 is a wasteful number, since it uses less digits than its factorization.

172036473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15124.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 172036473 is about 13116.2674949850. The cubic root of 172036473 is about 556.1690834114.

The spelling of 172036473 in words is "one hundred seventy-two million, thirty-six thousand, four hundred seventy-three".