3628722064 has 20 divisors (see below), whose sum is σ = 7669799280. Its totient is φ = 1649419040.

The previous prime is 3628722061. The next prime is 3628722079. The reversal of 3628722064 is 4602278263.

It is not an unprimeable number, because it can be changed into a prime (3628722061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10308694 + ... + 10309045.

It is an arithmetic number, because the mean of its divisors is an integer number (383489964).

Almost surely, 2^3628722064 is an apocalyptic number.

It is an amenable number.

3628722064 is an abundant number, since it is smaller than the sum of its proper divisors (4041077216).

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

3628722064 is a wasteful number, since it uses less digits than its factorization.

3628722064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20617758 (or 20617752 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 3628722064 is about 60238.8750226961. The cubic root of 3628722064 is about 1536.6839966697.

The spelling of 3628722064 in words is "three billion, six hundred twenty-eight million, seven hundred twenty-two thousand, sixty-four".