172400441350873 has 8 divisors (see below), whose sum is σ = 172518720790016. Its totient is φ = 172282163382000.

The previous prime is 172400441350871. The next prime is 172400441350883. The reversal of 172400441350873 is 378053144004271.

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 172400441350873 - 2¹ = 172400441350871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172400441350871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345510715 + ... + 346009327.

It is an arithmetic number, because the mean of its divisors is an integer number (21564840098752).

Almost surely, 2^{172400441350873} is an apocalyptic number.

It is an amenable number.

172400441350873 is a deficient number, since it is larger than the sum of its proper divisors (118279439143).

172400441350873 is a wasteful number, since it uses less digits than its factorization.

172400441350873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735135.

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 172400441350873 in words is "one hundred seventy-two trillion, four hundred billion, four hundred forty-one million, three hundred fifty thousand, eight hundred seventy-three".