34730720 has 48 divisors (see below), whose sum is σ = 82727568. Its totient is φ = 13777920.

The previous prime is 34730701. The next prime is 34730743. The reversal of 34730720 is 2703743.

It is a self number, because there is not a number n which added to its sum of digits gives 34730720.

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 7 ways as a sum of consecutive naturals, for example, 20132 + ... + 21788.

It is an arithmetic number, because the mean of its divisors is an integer number (1723491).

Almost surely, 2^34730720 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 34730720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41363784).

34730720 is an abundant number, since it is smaller than the sum of its proper divisors (47996848).

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

34730720 is a wasteful number, since it uses less digits than its factorization.

34730720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803 (or 1795 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 34730720 is about 5893.2775261309. The cubic root of 34730720 is about 326.2655820667.

The spelling of 34730720 in words is "thirty-four million, seven hundred thirty thousand, seven hundred twenty".