34727821812 has 72 divisors (see below), whose sum is σ = 88126531584. Its totient is φ = 11530886976.

The previous prime is 34727821801. The next prime is 34727821829. The reversal of 34727821812 is 21812872743.

34727821812 is a `hidden beast` number, since 347 + 278 + 21 + 8 + 12 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17964798 + ... + 17966730.

Almost surely, 2^34727821812 is an apocalyptic number.

It is an amenable number.

34727821812 is an abundant number, since it is smaller than the sum of its proper divisors (53398709772).

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

34727821812 is a wasteful number, since it uses less digits than its factorization.

34727821812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3629 (or 3624 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The spelling of 34727821812 in words is "thirty-four billion, seven hundred twenty-seven million, eight hundred twenty-one thousand, eight hundred twelve".