3605221073 has 8 divisors (see below), whose sum is σ = 3639306240. Its totient is φ = 3571294720.

The previous prime is 3605221069. The next prime is 3605221079. The reversal of 3605221073 is 3701225063.

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 3605221073 - 2² = 3605221069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3605221079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6161 + ... + 85137.

It is an arithmetic number, because the mean of its divisors is an integer number (454913280).

Almost surely, 2^3605221073 is an apocalyptic number.

It is an amenable number.

3605221073 is a deficient number, since it is larger than the sum of its proper divisors (34085167).

3605221073 is a wasteful number, since it uses less digits than its factorization.

3605221073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79407.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 3605221073 is about 60043.4931778623. The cubic root of 3605221073 is about 1533.3594249446.

The spelling of 3605221073 in words is "three billion, six hundred five million, two hundred twenty-one thousand, seventy-three".