34217772 has 12 divisors (see below), whose sum is σ = 79841496. Its totient is φ = 11405920.

The previous prime is 34217761. The next prime is 34217773. The reversal of 34217772 is 27771243.

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

It is not an unprimeable number, because it can be changed into a prime (34217773) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1425729 + ... + 1425752.

It is an arithmetic number, because the mean of its divisors is an integer number (6653458).

Almost surely, 2^34217772 is an apocalyptic number.

It is an amenable number.

34217772 is an abundant number, since it is smaller than the sum of its proper divisors (45623724).

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

34217772 is a wasteful number, since it uses less digits than its factorization.

34217772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851488 (or 2851486 counting only the distinct ones).

The product of its digits is 16464, while the sum is 33.

The square root of 34217772 is about 5849.5958834778. The cubic root of 34217772 is about 324.6513721168.

The spelling of 34217772 in words is "thirty-four million, two hundred seventeen thousand, seven hundred seventy-two".