3721135908 has 96 divisors (see below), whose sum is σ = 10109575168. Its totient is φ = 1043280000.

The previous prime is 3721135907. The next prime is 3721135927. The reversal of 3721135908 is 8095311273.

It is not an unprimeable number, because it can be changed into a prime (3721135907) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3847641 + ... + 3848607.

Almost surely, 2^3721135908 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 3721135908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5054787584).

3721135908 is an abundant number, since it is smaller than the sum of its proper divisors (6388439260).

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

3721135908 is a wasteful number, since it uses less digits than its factorization.

3721135908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793 (or 1791 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 3721135908 is about 61001.1139898281. The cubic root of 3721135908 is about 1549.6198732080.

The spelling of 3721135908 in words is "three billion, seven hundred twenty-one million, one hundred thirty-five thousand, nine hundred eight".