34023520 has 48 divisors (see below), whose sum is σ = 80746848. Its totient is φ = 13547520.

The previous prime is 34023497. The next prime is 34023527. The reversal of 34023520 is 2532043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34023527) 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, 53605 + ... + 54235.

It is an arithmetic number, because the mean of its divisors is an integer number (1682226).

Almost surely, 2^34023520 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 34023520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40373424).

34023520 is an abundant number, since it is smaller than the sum of its proper divisors (46723328).

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

34023520 is a wasteful number, since it uses less digits than its factorization.

34023520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 34023520 is about 5832.9683695354. The cubic root of 34023520 is about 324.0358645459.

Adding to 34023520 its reverse (2532043), we get a palindrome (36555563).

It can be divided in two parts, 34023 and 520, that added together give a palindrome (34543).

The spelling of 34023520 in words is "thirty-four million, twenty-three thousand, five hundred twenty".