34340540 has 48 divisors (see below), whose sum is σ = 78109920. Its totient is φ = 12606720.

The previous prime is 34340533. The next prime is 34340563. The reversal of 34340540 is 4504343.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69695 + ... + 70185.

It is an arithmetic number, because the mean of its divisors is an integer number (1627290).

Almost surely, 2^34340540 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 34340540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39054960).

34340540 is an abundant number, since it is smaller than the sum of its proper divisors (43769380).

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

34340540 is a wasteful number, since it uses less digits than its factorization.

34340540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 34340540 is about 5860.0802042293. The cubic root of 34340540 is about 325.0391747650.

Adding to 34340540 its reverse (4504343), we get a palindrome (38844883).

The spelling of 34340540 in words is "thirty-four million, three hundred forty thousand, five hundred forty".