34524520728 has 64 divisors (see below), whose sum is σ = 86656780800. Its totient is φ = 11462183040.

The previous prime is 34524520697. The next prime is 34524520747. The reversal of 34524520728 is 82702542543.

It is a self number, because there is not a number n which added to its sum of digits gives 34524520728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13575025 + ... + 13577567.

It is an arithmetic number, because the mean of its divisors is an integer number (1354012200).

Almost surely, 2^34524520728 is an apocalyptic number.

It is an amenable number.

34524520728 is an abundant number, since it is smaller than the sum of its proper divisors (52132260072).

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

34524520728 is a wasteful number, since it uses less digits than its factorization.

34524520728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4592 (or 4588 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 42.

The spelling of 34524520728 in words is "thirty-four billion, five hundred twenty-four million, five hundred twenty thousand, seven hundred twenty-eight".