3620320345 has 8 divisors (see below), whose sum is σ = 4356693576. Its totient is φ = 2888050176.

The previous prime is 3620320321. The next prime is 3620320367. The reversal of 3620320345 is 5430230263.

It can be written as a sum of positive squares in 4 ways, for example, as 1001849104 + 2618471241 = 31652^2 + 51171^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3620320345 - 2⁷ = 3620320217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1023822 + ... + 1027351.

It is an arithmetic number, because the mean of its divisors is an integer number (544586697).

Almost surely, 2^3620320345 is an apocalyptic number.

It is an amenable number.

3620320345 is a deficient number, since it is larger than the sum of its proper divisors (736373231).

3620320345 is a wasteful number, since it uses less digits than its factorization.

3620320345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051531.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 3620320345 is about 60169.0979241005. The cubic root of 3620320345 is about 1535.4970990952.

The spelling of 3620320345 in words is "three billion, six hundred twenty million, three hundred twenty thousand, three hundred forty-five".