3745138768 has 80 divisors (see below), whose sum is σ = 8769438720. Its totient is φ = 1515340800.

The previous prime is 3745138753. The next prime is 3745138801. The reversal of 3745138768 is 8678315473.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129198 + ... + 155506.

It is an arithmetic number, because the mean of its divisors is an integer number (109617984).

Almost surely, 2^3745138768 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 3745138768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4384719360).

3745138768 is an abundant number, since it is smaller than the sum of its proper divisors (5024299952).

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

3745138768 is a wasteful number, since it uses less digits than its factorization.

3745138768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26396 (or 26390 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 52.

The square root of 3745138768 is about 61197.5389047632. The cubic root of 3745138768 is about 1552.9446303192.

The spelling of 3745138768 in words is "three billion, seven hundred forty-five million, one hundred thirty-eight thousand, seven hundred sixty-eight".