731375873 has 8 divisors (see below), whose sum is σ = 803342400. Its totient is φ = 662756688.

The previous prime is 731375857. The next prime is 731375881. The reversal of 731375873 is 378573137.

731375873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 731375873 - 2⁴ = 731375857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (731375803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 836378 + ... + 837251.

It is an arithmetic number, because the mean of its divisors is an integer number (100417800).

Almost surely, 2^731375873 is an apocalyptic number.

It is an amenable number.

731375873 is a deficient number, since it is larger than the sum of its proper divisors (71966527).

731375873 is a wasteful number, since it uses less digits than its factorization.

731375873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673671.

The product of its digits is 370440, while the sum is 44.

The square root of 731375873 is about 27043.9618584260. The cubic root of 731375873 is about 900.9766652699.

The spelling of 731375873 in words is "seven hundred thirty-one million, three hundred seventy-five thousand, eight hundred seventy-three".