1427725632 has 28 divisors (see below), whose sum is σ = 3777524576. Its totient is φ = 475908480.

The previous prime is 1427725619. The next prime is 1427725633. The reversal of 1427725632 is 2365277241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427725633) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3717844 + ... + 3718227.

It is an arithmetic number, because the mean of its divisors is an integer number (134911592).

Almost surely, 2^1427725632 is an apocalyptic number.

1427725632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1427725632 is an abundant number, since it is smaller than the sum of its proper divisors (2349798944).

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

1427725632 is an equidigital number, since it uses as much as digits as its factorization.

1427725632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7436086 (or 7436076 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 1427725632 is about 37785.2568073845. The cubic root of 1427725632 is about 1126.0255686917.

The spelling of 1427725632 in words is "one billion, four hundred twenty-seven million, seven hundred twenty-five thousand, six hundred thirty-two".