1077725728 has 48 divisors (see below), whose sum is σ = 2151515520. Its totient is φ = 531360000.

The previous prime is 1077725717. The next prime is 1077725741. The reversal of 1077725728 is 8275277701.

It is a super-2 number, since 2×1077725728² = 2322985489586259968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 874873 + ... + 876103.

It is an arithmetic number, because the mean of its divisors is an integer number (44823240).

Almost surely, 2^1077725728 is an apocalyptic number.

It is an amenable number.

1077725728 is a deficient number, since it is larger than the sum of its proper divisors (1073789792).

1077725728 is a wasteful number, since it uses less digits than its factorization.

1077725728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 384160, while the sum is 46.

The square root of 1077725728 is about 32828.7332682819. The cubic root of 1077725728 is about 1025.2648858935.

The spelling of 1077725728 in words is "one billion, seventy-seven million, seven hundred twenty-five thousand, seven hundred twenty-eight".