1067728834 has 4 divisors (see below), whose sum is σ = 1601593254. Its totient is φ = 533864416.

The previous prime is 1067728819. The next prime is 1067728853. The reversal of 1067728834 is 4388277601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 844076809 + 223652025 = 29053^2 + 14955^2 .

It is a super-2 number, since 2×1067728834² = 2280089725909999112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266932207 + ... + 266932210.

Almost surely, 2^1067728834 is an apocalyptic number.

1067728834 is a deficient number, since it is larger than the sum of its proper divisors (533864420).

1067728834 is an equidigital number, since it uses as much as digits as its factorization.

1067728834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533864419.

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 1067728834 is about 32676.1202409344. The cubic root of 1067728834 is about 1022.0849427013.

The spelling of 1067728834 in words is "one billion, sixty-seven million, seven hundred twenty-eight thousand, eight hundred thirty-four".