34127440 has 40 divisors (see below), whose sum is σ = 79994880. Its totient is φ = 13539456.

The previous prime is 34127417. The next prime is 34127441. The reversal of 34127440 is 4472143.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34127441) 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, 8481 + ... + 11839.

It is an arithmetic number, because the mean of its divisors is an integer number (1999872).

Almost surely, 2^34127440 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 34127440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39997440).

34127440 is an abundant number, since it is smaller than the sum of its proper divisors (45867440).

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

34127440 is a wasteful number, since it uses less digits than its factorization.

34127440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499 (or 3493 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 34127440 is about 5841.8695637612. The cubic root of 34127440 is about 324.3654363749.

Adding to 34127440 its reverse (4472143), we get a palindrome (38599583).

The spelling of 34127440 in words is "thirty-four million, one hundred twenty-seven thousand, four hundred forty".