716378173 has 4 divisors (see below), whose sum is σ = 818717920. Its totient is φ = 614038428.

The previous prime is 716378167. The next prime is 716378189. The reversal of 716378173 is 371873617.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 371873617 = 101 ⋅3681917.

It is a cyclic number.

It is not a de Polignac number, because 716378173 - 2⁵ = 716378141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716378123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51169863 + ... + 51169876.

It is an arithmetic number, because the mean of its divisors is an integer number (204679480).

Almost surely, 2^716378173 is an apocalyptic number.

It is an amenable number.

716378173 is a deficient number, since it is larger than the sum of its proper divisors (102339747).

716378173 is a wasteful number, since it uses less digits than its factorization.

716378173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102339746.

The product of its digits is 148176, while the sum is 43.

The square root of 716378173 is about 26765.2418819633. The cubic root of 716378173 is about 894.7755637104.

The spelling of 716378173 in words is "seven hundred sixteen million, three hundred seventy-eight thousand, one hundred seventy-three".