1427072836 has 12 divisors (see below), whose sum is σ = 2854145728. Its totient is φ = 611602632.

The previous prime is 1427072821. The next prime is 1427072849. The reversal of 1427072836 is 6382707241.

1427072836 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25483416 + ... + 25483471.

Almost surely, 2^1427072836 is an apocalyptic number.

It is an amenable number.

1427072836 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1427072836 is a wasteful number, since it uses less digits than its factorization.

1427072836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50966898 (or 50966896 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 1427072836 is about 37776.6175828382. The cubic root of 1427072836 is about 1125.8539257584.

The spelling of 1427072836 in words is "one billion, four hundred twenty-seven million, seventy-two thousand, eight hundred thirty-six".