1427634873 has 24 divisors (see below), whose sum is σ = 2411542848. Its totient is φ = 796817952.

The previous prime is 1427634853. The next prime is 1427634877. The reversal of 1427634873 is 3784367241.

1427634873 is a `hidden beast` number, since 1 + 4 + 2 + 7 + 634 + 8 + 7 + 3 = 666.

It is not a de Polignac number, because 1427634873 - 2⁵ = 1427634841 is a prime.

It is a super-2 number, since 2×1427634873² = 4076282661211452258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1427634877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260790 + ... + 266207.

It is an arithmetic number, because the mean of its divisors is an integer number (100480952).

Almost surely, 2^1427634873 is an apocalyptic number.

It is an amenable number.

1427634873 is a deficient number, since it is larger than the sum of its proper divisors (983907975).

1427634873 is a wasteful number, since it uses less digits than its factorization.

1427634873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527053 (or 527050 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 1427634873 is about 37784.0558040028. The cubic root of 1427634873 is about 1126.0017081035.

The spelling of 1427634873 in words is "one billion, four hundred twenty-seven million, six hundred thirty-four thousand, eight hundred seventy-three".