34520000 has 70 divisors (see below), whose sum is σ = 85697568. Its totient is φ = 13792000.

The previous prime is 34519999. The next prime is 34520023. The reversal of 34520000 is 2543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 39569 + ... + 40431.

Almost surely, 2^34520000 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 34520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42848784).

34520000 is an abundant number, since it is smaller than the sum of its proper divisors (51177568).

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

34520000 is an frugal number, since it uses more digits than its factorization.

34520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 870 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 34520000 is about 5875.3723286274. The cubic root of 34520000 is about 325.6043979951.

Adding to 34520000 its reverse (2543), we get a palindrome (34522543).

The spelling of 34520000 in words is "thirty-four million, five hundred twenty thousand".