1027728506 has 96 divisors (see below), whose sum is σ = 2042409600. Its totient is φ = 378362880.

The previous prime is 1027728491. The next prime is 1027728553. The reversal of 1027728506 is 6058277201.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 1027728506.

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, 2229116 + ... + 2229576.

It is an arithmetic number, because the mean of its divisors is an integer number (21275100).

Almost surely, 2^1027728506 is an apocalyptic number.

1027728506 is a deficient number, since it is larger than the sum of its proper divisors (1014681094).

1027728506 is a wasteful number, since it uses less digits than its factorization.

1027728506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 1027728506 is about 32058.2049715825. The cubic root of 1027728506 is about 1009.1586975107.

It can be divided in two parts, 10277 and 28506, that added together give a palindrome (38783).

The spelling of 1027728506 in words is "one billion, twenty-seven million, seven hundred twenty-eight thousand, five hundred six".