727949949726 has 32 divisors (see below), whose sum is σ = 1560113872128. Its totient is φ = 225624928640.

The previous prime is 727949949697. The next prime is 727949949767. The reversal of 727949949726 is 627949949727.

It is a super-2 number, since 2×727949949726² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42984090 + ... + 43001021.

It is an arithmetic number, because the mean of its divisors is an integer number (48753558504).

Almost surely, 2^727949949726 is an apocalyptic number.

727949949726 is an abundant number, since it is smaller than the sum of its proper divisors (832163922402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

727949949726 is a wasteful number, since it uses less digits than its factorization.

727949949726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85985216.

The product of its digits is 864162432, while the sum is 75.

Subtracting from 727949949726 its reverse (627949949727), we obtain a palindrome (99999999999).

The spelling of 727949949726 in words is "seven hundred twenty-seven billion, nine hundred forty-nine million, nine hundred forty-nine thousand, seven hundred twenty-six".