34425040 has 80 divisors (see below), whose sum is σ = 87494400. Its totient is φ = 12519936.

The previous prime is 34425031. The next prime is 34425047. The reversal of 34425040 is 4052443.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34425047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81951 + ... + 82369.

It is an arithmetic number, because the mean of its divisors is an integer number (1093680).

Almost surely, 2^34425040 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 34425040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43747200).

34425040 is an abundant number, since it is smaller than the sum of its proper divisors (53069360).

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

34425040 is a wasteful number, since it uses less digits than its factorization.

34425040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 34425040 is about 5867.2855734147. The cubic root of 34425040 is about 325.3055587833.

Adding to 34425040 its reverse (4052443), we get a palindrome (38477483).

The spelling of 34425040 in words is "thirty-four million, four hundred twenty-five thousand, forty".