727772420252 has 24 divisors (see below), whose sum is σ = 1274474855472. Its totient is φ = 363636835200.

The previous prime is 727772420251. The next prime is 727772420261. The reversal of 727772420252 is 252024277727.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 727772420197 and 727772420206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727772420251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51935927 + ... + 51949937.

It is an arithmetic number, because the mean of its divisors is an integer number (53103118978).

Almost surely, 2^727772420252 is an apocalyptic number.

It is an amenable number.

727772420252 is a deficient number, since it is larger than the sum of its proper divisors (546702435220).

727772420252 is a wasteful number, since it uses less digits than its factorization.

727772420252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21989 (or 21987 counting only the distinct ones).

The product of its (nonzero) digits is 1536640, while the sum is 47.

Adding to 727772420252 its reverse (252024277727), we get a palindrome (979796697979).

The spelling of 727772420252 in words is "seven hundred twenty-seven billion, seven hundred seventy-two million, four hundred twenty thousand, two hundred fifty-two".