3668765436 has 108 divisors (see below), whose sum is σ = 10845394560. Its totient is φ = 1042634880.

The previous prime is 3668765407. The next prime is 3668765473. The reversal of 3668765436 is 6345678663.

3668765436 is a `hidden beast` number, since 36 + 68 + 7 + 6 + 543 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 331480 + ... + 342368.

It is an arithmetic number, because the mean of its divisors is an integer number (100420320).

Almost surely, 2^3668765436 is an apocalyptic number.

3668765436 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3668765436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5422697280).

3668765436 is an abundant number, since it is smaller than the sum of its proper divisors (7176629124).

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

3668765436 is a wasteful number, since it uses less digits than its factorization.

3668765436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11104 (or 11092 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 54.

The square root of 3668765436 is about 60570.3346201752. The cubic root of 3668765436 is about 1542.3158270459.

The spelling of 3668765436 in words is "three billion, six hundred sixty-eight million, seven hundred sixty-five thousand, four hundred thirty-six".