3655734768 has 360 divisors, whose sum is σ = 12760849920. Its totient is φ = 1009169280.

The previous prime is 3655734763. The next prime is 3655734773. The reversal of 3655734768 is 8674375563.

3655734768 is a `hidden beast` number, since 3 + 6 + 5 + 573 + 4 + 7 + 68 = 666.

It is an interprime number because it is at equal distance from previous prime (3655734763) and next prime (3655734773).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3655734763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5905563 + ... + 5906181.

Almost surely, 2^3655734768 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 3655734768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6380424960).

3655734768 is an abundant number, since it is smaller than the sum of its proper divisors (9105115152).

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

3655734768 is a wasteful number, since it uses less digits than its factorization.

3655734768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687 (or 662 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 54.

The square root of 3655734768 is about 60462.6725178436. The cubic root of 3655734768 is about 1540.4876692457.

The spelling of 3655734768 in words is "three billion, six hundred fifty-five million, seven hundred thirty-four thousand, seven hundred sixty-eight".