3745031680 has 160 divisors (see below), whose sum is σ = 9898678944. Its totient is φ = 1350107136.

The previous prime is 3745031669. The next prime is 3745031681. The reversal of 3745031680 is 861305473.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3745031681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1429732 + ... + 1432348.

Almost surely, 2^3745031680 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 3745031680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4949339472).

3745031680 is an abundant number, since it is smaller than the sum of its proper divisors (6153647264).

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

3745031680 is a wasteful number, since it uses less digits than its factorization.

3745031680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696 (or 2680 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 3745031680 is about 61196.6639613631. The cubic root of 3745031680 is about 1552.9298286140.

The spelling of 3745031680 in words is "three billion, seven hundred forty-five million, thirty-one thousand, six hundred eighty".