34320678 has 48 divisors (see below), whose sum is σ = 80668224. Its totient is φ = 9705360.

The previous prime is 34320673. The next prime is 34320697. The reversal of 34320678 is 87602343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34320673) 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 23 ways as a sum of consecutive naturals, for example, 30913 + ... + 32003.

It is an arithmetic number, because the mean of its divisors is an integer number (1680588).

Almost surely, 2^34320678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34320678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40334112).

34320678 is an abundant number, since it is smaller than the sum of its proper divisors (46347546).

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

34320678 is a wasteful number, since it uses less digits than its factorization.

34320678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 34320678 is about 5858.3852724108. The cubic root of 34320678 is about 324.9764969197.

The spelling of 34320678 in words is "thirty-four million, three hundred twenty thousand, six hundred seventy-eight".