3127026728 has 32 divisors (see below), whose sum is σ = 6837528000. Its totient is φ = 1340153136.

The previous prime is 3127026697. The next prime is 3127026731. The reversal of 3127026728 is 8276207213.

It is a junction number, because it is equal to n+sod(n) for n = 3127026691 and 3127026700.

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 7 ways as a sum of consecutive naturals, for example, 567050 + ... + 572537.

It is an arithmetic number, because the mean of its divisors is an integer number (213672750).

Almost surely, 2^3127026728 is an apocalyptic number.

It is an amenable number.

3127026728 is an abundant number, since it is smaller than the sum of its proper divisors (3710501272).

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

3127026728 is a wasteful number, since it uses less digits than its factorization.

3127026728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139614 (or 1139596 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 3127026728 is about 55919.8241055889. The cubic root of 3127026728 is about 1462.3248641963.

The spelling of 3127026728 in words is "three billion, one hundred twenty-seven million, twenty-six thousand, seven hundred twenty-eight".