34502240 has 48 divisors (see below), whose sum is σ = 82010880. Its totient is φ = 13716480.

The previous prime is 34502239. The next prime is 34502243. The reversal of 34502240 is 4220543.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34502243) 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 7 ways as a sum of consecutive naturals, for example, 29996 + ... + 31124.

It is an arithmetic number, because the mean of its divisors is an integer number (1708560).

Almost surely, 2^34502240 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 34502240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41005440).

34502240 is an abundant number, since it is smaller than the sum of its proper divisors (47508640).

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

34502240 is a wasteful number, since it uses less digits than its factorization.

34502240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335 (or 1327 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 34502240 is about 5873.8607406032. The cubic root of 34502240 is about 325.5485489598.

Adding to 34502240 its reverse (4220543), we get a palindrome (38722783).

The spelling of 34502240 in words is "thirty-four million, five hundred two thousand, two hundred forty".