34453540 has 72 divisors (see below), whose sum is σ = 83119680. Its totient is φ = 11964480.

The previous prime is 34453511. The next prime is 34453541. The reversal of 34453540 is 4535443.

It is a junction number, because it is equal to n+sod(n) for n = 34453499 and 34453508.

It is not an unprimeable number, because it can be changed into a prime (34453541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55351 + ... + 55969.

It is an arithmetic number, because the mean of its divisors is an integer number (1154440).

Almost surely, 2^34453540 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 34453540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41559840).

34453540 is an abundant number, since it is smaller than the sum of its proper divisors (48666140).

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

34453540 is a wasteful number, since it uses less digits than its factorization.

34453540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 34453540 is about 5869.7137920004. The cubic root of 34453540 is about 325.3953059664.

Adding to 34453540 its reverse (4535443), we get a palindrome (38988983).

The spelling of 34453540 in words is "thirty-four million, four hundred fifty-three thousand, five hundred forty".