1028472736 has 24 divisors (see below), whose sum is σ = 2131375680. Its totient is φ = 487171008.

The previous prime is 1028472707. The next prime is 1028472737. The reversal of 1028472736 is 6372748201.

It is not an unprimeable number, because it can be changed into a prime (1028472737) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 845176 + ... + 846391.

It is an arithmetic number, because the mean of its divisors is an integer number (88807320).

Almost surely, 2^1028472736 is an apocalyptic number.

1028472736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1028472736 is an abundant number, since it is smaller than the sum of its proper divisors (1102902944).

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

1028472736 is a wasteful number, since it uses less digits than its factorization.

1028472736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691596 (or 1691588 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 1028472736 is about 32069.8103517935. The cubic root of 1028472736 is about 1009.4022329567.

The spelling of 1028472736 in words is "one billion, twenty-eight million, four hundred seventy-two thousand, seven hundred thirty-six".