1072287828 has 24 divisors (see below), whose sum is σ = 2780005760. Its totient is φ = 357429240.

The previous prime is 1072287809. The next prime is 1072287833. The reversal of 1072287828 is 8287822701.

It is a super-2 number, since 2×1072287828² = 2299602372153915168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4964188 + ... + 4964403.

Almost surely, 2^1072287828 is an apocalyptic number.

1072287828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1072287828 is an abundant number, since it is smaller than the sum of its proper divisors (1707717932).

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

1072287828 is a wasteful number, since it uses less digits than its factorization.

1072287828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9928604 (or 9928596 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 45.

The square root of 1072287828 is about 32745.8062658411. The cubic root of 1072287828 is about 1023.5375783289.

The spelling of 1072287828 in words is "one billion, seventy-two million, two hundred eighty-seven thousand, eight hundred twenty-eight".