3648047720 has 32 divisors (see below), whose sum is σ = 8209879200. Its totient is φ = 1458904128.

The previous prime is 3648047707. The next prime is 3648047723. The reversal of 3648047720 is 277408463.

It is not an unprimeable number, because it can be changed into a prime (3648047723) 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, 292247 + ... + 304473.

It is an arithmetic number, because the mean of its divisors is an integer number (256558725).

Almost surely, 2^3648047720 is an apocalyptic number.

It is an amenable number.

3648047720 is an abundant number, since it is smaller than the sum of its proper divisors (4561831480).

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

3648047720 is a wasteful number, since it uses less digits than its factorization.

3648047720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19697 (or 19693 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 41.

The square root of 3648047720 is about 60399.0705226496. The cubic root of 3648047720 is about 1539.4071648526.

The spelling of 3648047720 in words is "three billion, six hundred forty-eight million, forty-seven thousand, seven hundred twenty".