3746728755 has 48 divisors (see below), whose sum is σ = 8096834304. Its totient is φ = 1557080640.

The previous prime is 3746728729. The next prime is 3746728801. The reversal of 3746728755 is 5578276473.

It is a happy number.

It is not a de Polignac number, because 3746728755 - 2¹⁸ = 3746466611 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 537189 + ... + 544118.

It is an arithmetic number, because the mean of its divisors is an integer number (168684048).

Almost surely, 2^3746728755 is an apocalyptic number.

3746728755 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3746728755 is an abundant number, since it is smaller than the sum of its proper divisors (4350105549).

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

3746728755 is a wasteful number, since it uses less digits than its factorization.

3746728755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081336 (or 1081333 counting only the distinct ones).

The product of its digits is 9878400, while the sum is 54.

The square root of 3746728755 is about 61210.5281385482. The cubic root of 3746728755 is about 1553.1643651616.

The spelling of 3746728755 in words is "three billion, seven hundred forty-six million, seven hundred twenty-eight thousand, seven hundred fifty-five".