3720648769 has 8 divisors (see below), whose sum is σ = 3778587648. Its totient is φ = 3663157680.

The previous prime is 3720648749. The next prime is 3720648773. The reversal of 3720648769 is 9678460273.

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 3720648769 - 2¹³ = 3720640577 is a prime.

It is a super-2 number, since 2×3720648769² = 27686454524522430722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3720648749) 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, 95182 + ... + 128455.

It is an arithmetic number, because the mean of its divisors is an integer number (472323456).

Almost surely, 2^3720648769 is an apocalyptic number.

It is an amenable number.

3720648769 is a deficient number, since it is larger than the sum of its proper divisors (57938879).

3720648769 is a wasteful number, since it uses less digits than its factorization.

3720648769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223895.

The product of its (nonzero) digits is 3048192, while the sum is 52.

The square root of 3720648769 is about 60997.1209894369. The cubic root of 3720648769 is about 1549.5522493034.

The spelling of 3720648769 in words is "three billion, seven hundred twenty million, six hundred forty-eight thousand, seven hundred sixty-nine".