1427735644 has 12 divisors (see below), whose sum is σ = 2498915664. Its totient is φ = 713759744.

The previous prime is 1427735623. The next prime is 1427735657. The reversal of 1427735644 is 4465377241.

It is a self number, because there is not a number n which added to its sum of digits gives 1427735644.

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 3 ways as a sum of consecutive naturals, for example, 7644 + ... + 53980.

It is an arithmetic number, because the mean of its divisors is an integer number (208242972).

Almost surely, 2^1427735644 is an apocalyptic number.

It is an amenable number.

1427735644 is a deficient number, since it is larger than the sum of its proper divisors (1071180020).

1427735644 is a wasteful number, since it uses less digits than its factorization.

1427735644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54044 (or 54042 counting only the distinct ones).

The product of its digits is 564480, while the sum is 43.

The square root of 1427735644 is about 37785.3892926883. The cubic root of 1427735644 is about 1126.0282007897.

The spelling of 1427735644 in words is "one billion, four hundred twenty-seven million, seven hundred thirty-five thousand, six hundred forty-four".