1451753728 has 36 divisors (see below), whose sum is σ = 2904411580. Its totient is φ = 724230144.

The previous prime is 1451753683. The next prime is 1451753731. The reversal of 1451753728 is 8273571541.

It can be written as a sum of positive squares in 2 ways, for example, as 573698304 + 878055424 = 23952^2 + 29632^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110788 + ... + 123196.

Almost surely, 2^1451753728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1451753728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1452205790).

1451753728 is an abundant number, since it is smaller than the sum of its proper divisors (1452657852).

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

1451753728 is an equidigital number, since it uses as much as digits as its factorization.

1451753728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12882 (or 12868 counting only the distinct ones).

The product of its digits is 235200, while the sum is 43.

The square root of 1451753728 is about 38101.8861475387. The cubic root of 1451753728 is about 1132.3073245661.

The spelling of 1451753728 in words is "one billion, four hundred fifty-one million, seven hundred fifty-three thousand, seven hundred twenty-eight".