3738531672 has 96 divisors (see below), whose sum is σ = 10602708480. Its totient is φ = 1234012320.

The previous prime is 3738531661. The next prime is 3738531673. The reversal of 3738531672 is 2761358373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3738531673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190897 + ... + 209567.

It is an arithmetic number, because the mean of its divisors is an integer number (110444880).

Almost surely, 2^3738531672 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 3738531672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5301354240).

3738531672 is an abundant number, since it is smaller than the sum of its proper divisors (6864176808).

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

3738531672 is a wasteful number, since it uses less digits than its factorization.

3738531672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18795 (or 18779 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 3738531672 is about 61143.5333620817. The cubic root of 3738531672 is about 1552.0308685450.

The spelling of 3738531672 in words is "three billion, seven hundred thirty-eight million, five hundred thirty-one thousand, six hundred seventy-two".