34172712 has 128 divisors (see below), whose sum is σ = 110073600. Its totient is φ = 9621504.

The previous prime is 34172693. The next prime is 34172717. The reversal of 34172712 is 21727143.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (34172717) 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 31 ways as a sum of consecutive naturals, for example, 146548 + ... + 146780.

It is an arithmetic number, because the mean of its divisors is an integer number (859950).

Almost surely, 2^34172712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34172712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55036800).

34172712 is an abundant number, since it is smaller than the sum of its proper divisors (75900888).

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

34172712 is a wasteful number, since it uses less digits than its factorization.

34172712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 342 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 34172712 is about 5845.7430665400. The cubic root of 34172712 is about 324.5088027634.

Adding to 34172712 its reverse (21727143), we get a palindrome (55899855).

The spelling of 34172712 in words is "thirty-four million, one hundred seventy-two thousand, seven hundred twelve".