34807220 has 48 divisors (see below), whose sum is σ = 85131648. Its totient is φ = 11706240.

The previous prime is 34807181. The next prime is 34807229. The reversal of 34807220 is 2270843.

It is a self number, because there is not a number n which added to its sum of digits gives 34807220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34807229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5075 + ... + 9765.

It is an arithmetic number, because the mean of its divisors is an integer number (1773576).

Almost surely, 2^34807220 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 34807220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42565824).

34807220 is an abundant number, since it is smaller than the sum of its proper divisors (50324428).

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

34807220 is a wasteful number, since it uses less digits than its factorization.

34807220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4760 (or 4758 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 34807220 is about 5899.7644020757. The cubic root of 34807220 is about 326.5049572153.

The spelling of 34807220 in words is "thirty-four million, eight hundred seven thousand, two hundred twenty".