727252641220 has 96 divisors (see below), whose sum is σ = 1818240399360. Its totient is φ = 239086494720.

The previous prime is 727252641217. The next prime is 727252641317. The reversal of 727252641220 is 22146252727.

It is a super-2 number, since 2×727252641220² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 295609 + ... + 1241728.

It is an arithmetic number, because the mean of its divisors is an integer number (18940004160).

Almost surely, 2^727252641220 is an apocalyptic number.

727252641220 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

727252641220 is an abundant number, since it is smaller than the sum of its proper divisors (1090987758140).

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

727252641220 is a wasteful number, since it uses less digits than its factorization.

727252641220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537493 (or 1537491 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 40.

Adding to 727252641220 its reverse (22146252727), we get a palindrome (749398893947).

The spelling of 727252641220 in words is "seven hundred twenty-seven billion, two hundred fifty-two million, six hundred forty-one thousand, two hundred twenty".