3755728656 has 45 divisors (see below), whose sum is σ = 10512882471. Its totient is φ = 1251664416.

The previous prime is 3755728637. The next prime is 3755728663. The reversal of 3755728656 is 6568275573.

The square root of 3755728656 is 61284.

It is a perfect power (a square), and thus also a powerful number.

3755728656 is a `hidden beast` number, since 3 + 7 + 5 + 572 + 8 + 65 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 732855 + ... + 737961.

Almost surely, 2^3755728656 is an apocalyptic number.

3755728656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

3755728656 is the 61284-th square number.

It is an amenable number.

3755728656 is an abundant number, since it is smaller than the sum of its proper divisors (6757153815).

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

3755728656 is an frugal number, since it uses more digits than its factorization.

3755728656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10228 (or 5112 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 54.

The cubic root of 3755728656 is about 1554.4069734072.

The spelling of 3755728656 in words is "three billion, seven hundred fifty-five million, seven hundred twenty-eight thousand, six hundred fifty-six".