3720740833 has 4 divisors (see below), whose sum is σ = 3754876180. Its totient is φ = 3686605488.

The previous prime is 3720740827. The next prime is 3720740893. The reversal of 3720740833 is 3380470273.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3364928064 + 355812769 = 58008^2 + 18863^2 .

It is a cyclic number.

It is not a de Polignac number, because 3720740833 - 2⁵ = 3720740801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3720740792 and 3720740801.

It is not an unprimeable number, because it can be changed into a prime (3720740813) 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, 17067510 + ... + 17067727.

It is an arithmetic number, because the mean of its divisors is an integer number (938719045).

Almost surely, 2^3720740833 is an apocalyptic number.

It is an amenable number.

3720740833 is a deficient number, since it is larger than the sum of its proper divisors (34135347).

3720740833 is a wasteful number, since it uses less digits than its factorization.

3720740833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34135346.

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 3720740833 is about 60997.8756433370. The cubic root of 3720740833 is about 1549.5650299420.

The spelling of 3720740833 in words is "three billion, seven hundred twenty million, seven hundred forty thousand, eight hundred thirty-three".