3621730065 has 16 divisors (see below), whose sum is σ = 6135637248. Its totient is φ = 1817966336.

The previous prime is 3621730051. The next prime is 3621730067. The reversal of 3621730065 is 5600371263.

3621730065 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3621730065 - 2⁵ = 3621730033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3621730067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7101177 + ... + 7101686.

It is an arithmetic number, because the mean of its divisors is an integer number (383477328).

Almost surely, 2^3621730065 is an apocalyptic number.

It is an amenable number.

3621730065 is a deficient number, since it is larger than the sum of its proper divisors (2513907183).

3621730065 is a wasteful number, since it uses less digits than its factorization.

3621730065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14202888.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 3621730065 is about 60180.8114352075. The cubic root of 3621730065 is about 1535.6963761264.

The spelling of 3621730065 in words is "three billion, six hundred twenty-one million, seven hundred thirty thousand, sixty-five".