7229729652 has 24 divisors (see below), whose sum is σ = 16887993696. Its totient is φ = 2407249248.

The previous prime is 7229729623. The next prime is 7229729659. The reversal of 7229729652 is 2569279227.

It is a super-2 number, since 2×7229729652² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7229729595 and 7229729604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7229729659) 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, 321243 + ... + 343010.

It is an arithmetic number, because the mean of its divisors is an integer number (703666404).

Almost surely, 2^7229729652 is an apocalyptic number.

It is an amenable number.

7229729652 is an abundant number, since it is smaller than the sum of its proper divisors (9658264044).

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

7229729652 is a wasteful number, since it uses less digits than its factorization.

7229729652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665167 (or 665165 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 51.

The square root of 7229729652 is about 85027.8169306963. The cubic root of 7229729652 is about 1933.6328661420.

The spelling of 7229729652 in words is "seven billion, two hundred twenty-nine million, seven hundred twenty-nine thousand, six hundred fifty-two".