1428068572 has 12 divisors (see below), whose sum is σ = 2856137200. Its totient is φ = 612029376.

The previous prime is 1428068569. The next prime is 1428068611. The reversal of 1428068572 is 2758608241.

It is a happy number.

1428068572 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25501197 + ... + 25501252.

Almost surely, 2^1428068572 is an apocalyptic number.

It is an amenable number.

1428068572 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1428068572 is a wasteful number, since it uses less digits than its factorization.

1428068572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51002460 (or 51002458 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The square root of 1428068572 is about 37789.7945482640. The cubic root of 1428068572 is about 1126.1157186676.

The spelling of 1428068572 in words is "one billion, four hundred twenty-eight million, sixty-eight thousand, five hundred seventy-two".