1428700272 has 40 divisors (see below), whose sum is σ = 3692330640. Its totient is φ = 476037120.

The previous prime is 1428700261. The next prime is 1428700291. The reversal of 1428700272 is 2720078241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155322 + ... + 164262.

It is an arithmetic number, because the mean of its divisors is an integer number (92308266).

Almost surely, 2^1428700272 is an apocalyptic number.

1428700272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1428700272 is an abundant number, since it is smaller than the sum of its proper divisors (2263630368).

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

1428700272 is a wasteful number, since it uses less digits than its factorization.

1428700272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12281 (or 12275 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 1428700272 is about 37798.1517008438. The cubic root of 1428700272 is about 1126.2817383414.

The spelling of 1428700272 in words is "one billion, four hundred twenty-eight million, seven hundred thousand, two hundred seventy-two".