34530520 has 32 divisors (see below), whose sum is σ = 78019200. Its totient is φ = 13754368.

The previous prime is 34530491. The next prime is 34530523. The reversal of 34530520 is 2503543.

It is a super-2 number, since 2×34530520² = 2384713622940800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34530491 and 34530500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34530523) 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, 8601 + ... + 11959.

It is an arithmetic number, because the mean of its divisors is an integer number (2438100).

Almost surely, 2^34530520 is an apocalyptic number.

It is an amenable number.

34530520 is an abundant number, since it is smaller than the sum of its proper divisors (43488680).

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

34530520 is a wasteful number, since it uses less digits than its factorization.

34530520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3627 (or 3623 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 34530520 is about 5876.2675228413. The cubic root of 34530520 is about 325.6374707101.

The spelling of 34530520 in words is "thirty-four million, five hundred thirty thousand, five hundred twenty".