34502340 has 72 divisors (see below), whose sum is σ = 99223488. Its totient is φ = 8957760.

The previous prime is 34502339. The next prime is 34502359. The reversal of 34502340 is 4320543.

It is a happy number.

It is a super-2 number, since 2×34502340² = 2380822930951200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110785 + ... + 111095.

It is an arithmetic number, because the mean of its divisors is an integer number (1378104).

Almost surely, 2^34502340 is an apocalyptic number.

34502340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34502340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49611744).

34502340 is an abundant number, since it is smaller than the sum of its proper divisors (64721148).

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

34502340 is a wasteful number, since it uses less digits than its factorization.

34502340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 34502340 is about 5873.8692528860. The cubic root of 34502340 is about 325.5488634787.

Adding to 34502340 its reverse (4320543), we get a palindrome (38822883).

The spelling of 34502340 in words is "thirty-four million, five hundred two thousand, three hundred forty".