34343520 has 48 divisors (see below), whose sum is σ = 108183600. Its totient is φ = 9158144.

The previous prime is 34343513. The next prime is 34343521. The reversal of 34343520 is 2534343.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34343521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35295 + ... + 36254.

It is an arithmetic number, because the mean of its divisors is an integer number (2253825).

Almost surely, 2^34343520 is an apocalyptic number.

34343520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34343520 is an abundant number, since it is smaller than the sum of its proper divisors (73840080).

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

34343520 is a wasteful number, since it uses less digits than its factorization.

34343520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71567 (or 71559 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 34343520 is about 5860.3344614450. The cubic root of 34343520 is about 325.0485765655.

Adding to 34343520 its reverse (2534343), we get a palindrome (36877863).

The spelling of 34343520 in words is "thirty-four million, three hundred forty-three thousand, five hundred twenty".