1067728250 has 32 divisors (see below), whose sum is σ = 2006344080. Its totient is φ = 425476800.

The previous prime is 1067728247. The next prime is 1067728261. The reversal of 1067728250 is 528277601.

It can be written as a sum of positive squares in 8 ways, for example, as 94225849 + 973502401 = 9707^2 + 31201^2 .

It is a super-2 number, since 2×1067728250² = 2280087231696125000, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59312 + ... + 75188.

Almost surely, 2^1067728250 is an apocalyptic number.

1067728250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1067728250 is a deficient number, since it is larger than the sum of its proper divisors (938615830).

1067728250 is a wasteful number, since it uses less digits than its factorization.

1067728250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16163 (or 16153 counting only the distinct ones).

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

The square root of 1067728250 is about 32676.1113047437. Note that the first 3 decimals coincide. The cubic root of 1067728250 is about 1022.0847563564.

The spelling of 1067728250 in words is "one billion, sixty-seven million, seven hundred twenty-eight thousand, two hundred fifty".