34530440 has 32 divisors (see below), whose sum is σ = 88793280. Its totient is φ = 11838912.

The previous prime is 34530413. The next prime is 34530443. The reversal of 34530440 is 4403543.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (34530443) 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, 61382 + ... + 61941.

It is an arithmetic number, because the mean of its divisors is an integer number (2774790).

Almost surely, 2^34530440 is an apocalyptic number.

It is an amenable number.

34530440 is an abundant number, since it is smaller than the sum of its proper divisors (54262840).

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

34530440 is a wasteful number, since it uses less digits than its factorization.

34530440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123341 (or 123337 counting only the distinct ones).

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

The square root of 34530440 is about 5876.2607157954. The cubic root of 34530440 is about 325.6372192319.

Adding to 34530440 its reverse (4403543), we get a palindrome (38933983).

The spelling of 34530440 in words is "thirty-four million, five hundred thirty thousand, four hundred forty".