1427775634 has 16 divisors (see below), whose sum is σ = 2386994400. Its totient is φ = 636531264.

The previous prime is 1427775581. The next prime is 1427775667. The reversal of 1427775634 is 4365777241.

It is a super-2 number, since 2×1427775634² = 4077086522088203912, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1104444 + ... + 1105735.

It is an arithmetic number, because the mean of its divisors is an integer number (149187150).

Almost surely, 2^1427775634 is an apocalyptic number.

1427775634 is a deficient number, since it is larger than the sum of its proper divisors (959218766).

1427775634 is a wasteful number, since it uses less digits than its factorization.

1427775634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210217.

The product of its digits is 987840, while the sum is 46.

The square root of 1427775634 is about 37785.9184617762. The cubic root of 1427775634 is about 1126.0387138114.

The spelling of 1427775634 in words is "one billion, four hundred twenty-seven million, seven hundred seventy-five thousand, six hundred thirty-four".