3526783728 has 160 divisors (see below), whose sum is σ = 10282675200. Its totient is φ = 1034062848.

The previous prime is 3526783693. The next prime is 3526783759. The reversal of 3526783728 is 8273876253.

It is a happy number.

3526783728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1428351 + ... + 1430817.

It is an arithmetic number, because the mean of its divisors is an integer number (64266720).

Almost surely, 2^3526783728 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 3526783728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5141337600).

3526783728 is an abundant number, since it is smaller than the sum of its proper divisors (6755891472).

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

3526783728 is a wasteful number, since it uses less digits than its factorization.

3526783728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599 (or 2593 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 51.

The square root of 3526783728 is about 59386.7302349607. The cubic root of 3526783728 is about 1522.1575615807.

The spelling of 3526783728 in words is "three billion, five hundred twenty-six million, seven hundred eighty-three thousand, seven hundred twenty-eight".