727220038939 has 4 divisors (see below), whose sum is σ = 746874634624. Its totient is φ = 707565443256.

The previous prime is 727220038907. The next prime is 727220038991. The reversal of 727220038939 is 939830022727.

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

It is a cyclic number.

It is not a de Polignac number, because 727220038939 - 2⁵ = 727220038907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (727220038999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9827297787 + ... + 9827297860.

It is an arithmetic number, because the mean of its divisors is an integer number (186718658656).

Almost surely, 2^727220038939 is an apocalyptic number.

727220038939 is a deficient number, since it is larger than the sum of its proper divisors (19654595685).

727220038939 is a wasteful number, since it uses less digits than its factorization.

727220038939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19654595684.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 727220038939 in words is "seven hundred twenty-seven billion, two hundred twenty million, thirty-eight thousand, nine hundred thirty-nine".