3725686188 has 216 divisors, whose sum is σ = 11510160480. Its totient is φ = 1011225600.

The previous prime is 3725686171. The next prime is 3725686201. The reversal of 3725686188 is 8816865273.

3725686188 is a `hidden beast` number, since 3 + 72 + 568 + 6 + 1 + 8 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9290788 + ... + 9291188.

It is an arithmetic number, because the mean of its divisors is an integer number (53287780).

Almost surely, 2^3725686188 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3725686188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5755080240).

3725686188 is an abundant number, since it is smaller than the sum of its proper divisors (7784474292).

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

3725686188 is a wasteful number, since it uses less digits than its factorization.

3725686188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 665 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The square root of 3725686188 is about 61038.3992909382. The cubic root of 3725686188 is about 1550.2512513968.

The spelling of 3725686188 in words is "three billion, seven hundred twenty-five million, six hundred eighty-six thousand, one hundred eighty-eight".