1728874026 has 24 divisors (see below), whose sum is σ = 4086429984. Its totient is φ = 523901160.

The previous prime is 1728874003. The next prime is 1728874027. The reversal of 1728874026 is 6204788271.

It is not an unprimeable number, because it can be changed into a prime (1728874027) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4365646 + ... + 4366041.

It is an arithmetic number, because the mean of its divisors is an integer number (170267916).

Almost surely, 2^1728874026 is an apocalyptic number.

1728874026 is an abundant number, since it is smaller than the sum of its proper divisors (2357555958).

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

1728874026 is a wasteful number, since it uses less digits than its factorization.

1728874026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8731706 (or 8731703 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 1728874026 is about 41579.7309515105. The cubic root of 1728874026 is about 1200.2022867315.

The spelling of 1728874026 in words is "one billion, seven hundred twenty-eight million, eight hundred seventy-four thousand, twenty-six".