3784720041 has 6 divisors (see below), whose sum is σ = 5466817850. Its totient is φ = 2523146688.

The previous prime is 3784720039. The next prime is 3784720057. The reversal of 3784720041 is 1400274873.

It is a happy number.

3784720041 is a `hidden beast` number, since 378 + 47 + 200 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2742721641 + 1041998400 = 52371^2 + 32280^2 .

It is not a de Polignac number, because 3784720041 - 2¹ = 3784720039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3784719978 and 3784720005.

It is not an unprimeable number, because it can be changed into a prime (3784720061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 210262216 + ... + 210262233.

Almost surely, 2^3784720041 is an apocalyptic number.

It is an amenable number.

3784720041 is a deficient number, since it is larger than the sum of its proper divisors (1682097809).

3784720041 is a wasteful number, since it uses less digits than its factorization.

3784720041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420524455 (or 420524452 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 3784720041 is about 61520.0783565821. The cubic root of 3784720041 is about 1558.3963414243.

The spelling of 3784720041 in words is "three billion, seven hundred eighty-four million, seven hundred twenty thousand, forty-one".