3746569728 has 320 divisors, whose sum is σ = 11766104064. Its totient is φ = 1047552000.

The previous prime is 3746569699. The next prime is 3746569733. The reversal of 3746569728 is 8279656473.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12046693 + ... + 12047003.

Almost surely, 2^3746569728 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 3746569728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5883052032).

3746569728 is an abundant number, since it is smaller than the sum of its proper divisors (8019534336).

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

3746569728 is a wasteful number, since it uses less digits than its factorization.

3746569728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 381 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 57.

The square root of 3746569728 is about 61209.2291080357. The cubic root of 3746569728 is about 1553.1423905646.

The spelling of 3746569728 in words is "three billion, seven hundred forty-six million, five hundred sixty-nine thousand, seven hundred twenty-eight".