3784765061 has 16 divisors (see below), whose sum is σ = 4722738048. Its totient is φ = 2946624000.

The previous prime is 3784765009. The next prime is 3784765079. The reversal of 3784765061 is 1605674873.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3784765061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3784764997 and 3784765015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3784765561) 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 15 ways as a sum of consecutive naturals, for example, 71261 + ... + 112461.

It is an arithmetic number, because the mean of its divisors is an integer number (295171128).

Almost surely, 2^3784765061 is an apocalyptic number.

It is an amenable number.

3784765061 is a deficient number, since it is larger than the sum of its proper divisors (937972987).

3784765061 is a wasteful number, since it uses less digits than its factorization.

3784765061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42412.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 3784765061 is about 61520.4442522971. Note that the first 3 decimals coincide. The cubic root of 3784765061 is about 1558.4025205450.

The spelling of 3784765061 in words is "three billion, seven hundred eighty-four million, seven hundred sixty-five thousand, sixty-one".