3705255664 has 80 divisors (see below), whose sum is σ = 8329466880. Its totient is φ = 1578977280.

The previous prime is 3705255661. The next prime is 3705255677. The reversal of 3705255664 is 4665525073.

It is a self number, because there is not a number n which added to its sum of digits gives 3705255664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3705255661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318657 + ... + 330079.

It is an arithmetic number, because the mean of its divisors is an integer number (104118336).

Almost surely, 2^3705255664 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 3705255664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4164733440).

3705255664 is an abundant number, since it is smaller than the sum of its proper divisors (4624211216).

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

3705255664 is a wasteful number, since it uses less digits than its factorization.

3705255664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11558 (or 11552 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 43.

The square root of 3705255664 is about 60870.8112645133. The cubic root of 3705255664 is about 1547.4123545404.

The spelling of 3705255664 in words is "three billion, seven hundred five million, two hundred fifty-five thousand, six hundred sixty-four".