3743727636 has 72 divisors (see below), whose sum is σ = 9794475936. Its totient is φ = 1103748480.

The previous prime is 3743727601. The next prime is 3743727667. The reversal of 3743727636 is 6367273473.

It is a super-2 number, since 2×3743727636² = 28030993225100296992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 170350 + ... + 191066.

It is an arithmetic number, because the mean of its divisors is an integer number (136034388).

Almost surely, 2^3743727636 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 3743727636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4897237968).

3743727636 is an abundant number, since it is smaller than the sum of its proper divisors (6050748300).

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

3743727636 is a wasteful number, since it uses less digits than its factorization.

3743727636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20809 (or 20770 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 48.

The square root of 3743727636 is about 61186.0084986756. The cubic root of 3743727636 is about 1552.7495609872.

The spelling of 3743727636 in words is "three billion, seven hundred forty-three million, seven hundred twenty-seven thousand, six hundred thirty-six".