727319673 has 12 divisors (see below), whose sum is σ = 1075005360. Its totient is φ = 473603256.

The previous prime is 727319657. The next prime is 727319699. The reversal of 727319673 is 376913727.

It is not a de Polignac number, because 727319673 - 2⁴ = 727319657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (727319603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 939303 + ... + 940076.

It is an arithmetic number, because the mean of its divisors is an integer number (89583780).

Almost surely, 2^727319673 is an apocalyptic number.

It is an amenable number.

727319673 is a deficient number, since it is larger than the sum of its proper divisors (347685687).

727319673 is a wasteful number, since it uses less digits than its factorization.

727319673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879428 (or 1879425 counting only the distinct ones).

The product of its digits is 333396, while the sum is 45.

The square root of 727319673 is about 26968.8648815630. The cubic root of 727319673 is about 899.3079754349.

It can be divided in two parts, 727 and 319673, that added together give a triangular number (320400 = T₈₀₀).

The spelling of 727319673 in words is "seven hundred twenty-seven million, three hundred nineteen thousand, six hundred seventy-three".