34239672 has 128 divisors (see below), whose sum is σ = 102336000. Its totient is φ = 10707552.

The previous prime is 34239661. The next prime is 34239697. The reversal of 34239672 is 27693243.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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, 332373 + ... + 332475.

It is an arithmetic number, because the mean of its divisors is an integer number (799500).

Almost surely, 2^34239672 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 34239672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51168000).

34239672 is an abundant number, since it is smaller than the sum of its proper divisors (68096328).

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

34239672 is a wasteful number, since it uses less digits than its factorization.

34239672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149 (or 127 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 34239672 is about 5851.4675082410. The cubic root of 34239672 is about 324.7206182849.

The spelling of 34239672 in words is "thirty-four million, two hundred thirty-nine thousand, six hundred seventy-two".