727838942 has 4 divisors (see below), whose sum is σ = 1091758416. Its totient is φ = 363919470.

The previous prime is 727838921. The next prime is 727838957. The reversal of 727838942 is 249838727.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 181959734 + ... + 181959737.

It is an arithmetic number, because the mean of its divisors is an integer number (272939604).

Almost surely, 2^727838942 is an apocalyptic number.

727838942 is a deficient number, since it is larger than the sum of its proper divisors (363919474).

727838942 is a wasteful number, since it uses less digits than its factorization.

727838942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363919473.

The product of its digits is 1354752, while the sum is 50.

The square root of 727838942 is about 26978.4903580612. The cubic root of 727838942 is about 899.5219444688.

The spelling of 727838942 in words is "seven hundred twenty-seven million, eight hundred thirty-eight thousand, nine hundred forty-two".