3729686568 has 32 divisors (see below), whose sum is σ = 9331428960. Its totient is φ = 1242267200.

The previous prime is 3729686563. The next prime is 3729686579. The reversal of 3729686568 is 8656869273.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3729686563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28083 + ... + 90818.

It is an arithmetic number, because the mean of its divisors is an integer number (291607155).

Almost surely, 2^3729686568 is an apocalyptic number.

It is an amenable number.

3729686568 is an abundant number, since it is smaller than the sum of its proper divisors (5601742392).

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

3729686568 is a wasteful number, since it uses less digits than its factorization.

3729686568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120217 (or 120213 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 60.

The square root of 3729686568 is about 61071.1598710881. The cubic root of 3729686568 is about 1550.8059032112.

The spelling of 3729686568 in words is "three billion, seven hundred twenty-nine million, six hundred eighty-six thousand, five hundred sixty-eight".