3745339728 has 160 divisors (see below), whose sum is σ = 10601988096. Its totient is φ = 1132475904.

The previous prime is 3745339727. The next prime is 3745339747. The reversal of 3745339728 is 8279335473.

It is a super-2 number, since 2×3745339728² = 28055139356270227968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3745339721) 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, 13234275 + ... + 13234557.

Almost surely, 2^3745339728 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 3745339728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5300994048).

3745339728 is an abundant number, since it is smaller than the sum of its proper divisors (6856648368).

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

3745339728 is a wasteful number, since it uses less digits than its factorization.

3745339728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601 (or 595 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 51.

The square root of 3745339728 is about 61199.1807788307. The cubic root of 3745339728 is about 1552.9724062523.

The spelling of 3745339728 in words is "three billion, seven hundred forty-five million, three hundred thirty-nine thousand, seven hundred twenty-eight".