3757481728 has 432 divisors, whose sum is σ = 10717493248. Its totient is φ = 1277337600.

The previous prime is 3757481699. The next prime is 3757481731. The reversal of 3757481728 is 8271847573.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87383275 + ... + 87383317.

Almost surely, 2^3757481728 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 3757481728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5358746624).

3757481728 is an abundant number, since it is smaller than the sum of its proper divisors (6960011520).

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

3757481728 is a wasteful number, since it uses less digits than its factorization.

3757481728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 107 counting only the distinct ones).

The product of its digits is 2634240, while the sum is 52.

The square root of 3757481728 is about 61298.3011836380. The cubic root of 3757481728 is about 1554.6487874215.

The spelling of 3757481728 in words is "three billion, seven hundred fifty-seven million, four hundred eighty-one thousand, seven hundred twenty-eight".