34332640 has 48 divisors (see below), whose sum is σ = 82056240. Its totient is φ = 13573120.

The previous prime is 34332637. The next prime is 34332643. The reversal of 34332640 is 4623343.

It is an interprime number because it is at equal distance from previous prime (34332637) and next prime (34332643).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34332643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13035 + ... + 15445.

It is an arithmetic number, because the mean of its divisors is an integer number (1709505).

Almost surely, 2^34332640 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 34332640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41028120).

34332640 is an abundant number, since it is smaller than the sum of its proper divisors (47723600).

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

34332640 is a wasteful number, since it uses less digits than its factorization.

34332640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515 (or 2507 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 34332640 is about 5859.4061132507. The cubic root of 34332640 is about 325.0142478961.

Adding to 34332640 its reverse (4623343), we get a palindrome (38955983).

The spelling of 34332640 in words is "thirty-four million, three hundred thirty-two thousand, six hundred forty".