34425240 has 64 divisors (see below), whose sum is σ = 105809760. Its totient is φ = 8954880.

The previous prime is 34425239. The next prime is 34425247. The reversal of 34425240 is 4252443.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 34425240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34425247) 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, 1422 + ... + 8418.

Almost surely, 2^34425240 is an apocalyptic number.

34425240 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 34425240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52904880).

34425240 is an abundant number, since it is smaller than the sum of its proper divisors (71384520).

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

34425240 is a wasteful number, since it uses less digits than its factorization.

34425240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7052 (or 7048 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 34425240 is about 5867.3026170464. The cubic root of 34425240 is about 325.3061887606.

Adding to 34425240 its reverse (4252443), we get a palindrome (38677683).

The spelling of 34425240 in words is "thirty-four million, four hundred twenty-five thousand, two hundred forty".