3731235816 has 128 divisors (see below), whose sum is σ = 12031027200. Its totient is φ = 935719680.

The previous prime is 3731235811. The next prime is 3731235839. The reversal of 3731235816 is 6185321373.

It is not an unprimeable number, because it can be changed into a prime (3731235811) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 18781 + ... + 88403.

It is an arithmetic number, because the mean of its divisors is an integer number (93992400).

Almost surely, 2^3731235816 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 3731235816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6015513600).

3731235816 is an abundant number, since it is smaller than the sum of its proper divisors (8299791384).

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

3731235816 is a wasteful number, since it uses less digits than its factorization.

3731235816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69679 (or 69675 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 3731235816 is about 61083.8425117477. The cubic root of 3731235816 is about 1551.0205995682.

The spelling of 3731235816 in words is "three billion, seven hundred thirty-one million, two hundred thirty-five thousand, eight hundred sixteen".