727872442 has 16 divisors (see below), whose sum is σ = 1261127232. Its totient is φ = 311389120.

The previous prime is 727872427. The next prime is 727872443. The reversal of 727872442 is 244278727.

It is not an unprimeable number, because it can be changed into a prime (727872443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972718 + ... + 973465.

It is an arithmetic number, because the mean of its divisors is an integer number (78820452).

Almost surely, 2^727872442 is an apocalyptic number.

727872442 is a deficient number, since it is larger than the sum of its proper divisors (533254790).

727872442 is a wasteful number, since it uses less digits than its factorization.

727872442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1946213.

The product of its digits is 351232, while the sum is 43.

The square root of 727872442 is about 26979.1112159018. Note that the first 3 decimals coincide. The cubic root of 727872442 is about 899.5357449225.

The spelling of 727872442 in words is "seven hundred twenty-seven million, eight hundred seventy-two thousand, four hundred forty-two".