34320630 has 64 divisors (see below), whose sum is σ = 86261760. Its totient is φ = 8727936.

The previous prime is 34320589. The next prime is 34320641. The reversal of 34320630 is 3602343.

34320630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 34320597 and 34320606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89419 + ... + 89801.

It is an arithmetic number, because the mean of its divisors is an integer number (1347840).

Almost surely, 2^34320630 is an apocalyptic number.

34320630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 34320630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43130880).

34320630 is an abundant number, since it is smaller than the sum of its proper divisors (51941130).

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

34320630 is a wasteful number, since it uses less digits than its factorization.

34320630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 34320630 is about 5858.3811757174. The cubic root of 34320630 is about 324.9763454184.

Adding to 34320630 its reverse (3602343), we get a palindrome (37922973).

The spelling of 34320630 in words is "thirty-four million, three hundred twenty thousand, six hundred thirty".