72173372174403 has 8 divisors (see below), whose sum is σ = 96260069840400. Its totient is φ = 48101127979008.

The previous prime is 72173372174389. The next prime is 72173372174437. The reversal of 72173372174403 is 30447127337127.

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

It is not a de Polignac number, because 72173372174403 - 2⁸ = 72173372174147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72173372174483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3613355998 + ... + 3613375971.

It is an arithmetic number, because the mean of its divisors is an integer number (12032508730050).

Almost surely, 2^{72173372174403} is an apocalyptic number.

72173372174403 is a deficient number, since it is larger than the sum of its proper divisors (24086697665997).

72173372174403 is a wasteful number, since it uses less digits than its factorization.

72173372174403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7226735301.

The product of its (nonzero) digits is 4148928, while the sum is 51.

The spelling of 72173372174403 in words is "seventy-two trillion, one hundred seventy-three billion, three hundred seventy-two million, one hundred seventy-four thousand, four hundred three".