34642812 has 12 divisors (see below), whose sum is σ = 80833256. Its totient is φ = 11547600.

The previous prime is 34642781. The next prime is 34642823. The reversal of 34642812 is 21824643.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 34642812.

It is a congruent 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, 1443439 + ... + 1443462.

Almost surely, 2^34642812 is an apocalyptic number.

It is an amenable number.

34642812 is an abundant number, since it is smaller than the sum of its proper divisors (46190444).

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

34642812 is a wasteful number, since it uses less digits than its factorization.

34642812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886908 (or 2886906 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 34642812 is about 5885.8144721015. The cubic root of 34642812 is about 325.9900758518.

The spelling of 34642812 in words is "thirty-four million, six hundred forty-two thousand, eight hundred twelve".