3745072777 has 2 divisors, whose sum is σ = 3745072778. Its totient is φ = 3745072776.

The previous prime is 3745072763. The next prime is 3745072811. The reversal of 3745072777 is 7772705473.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3131073936 + 613998841 = 55956^2 + 24779^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3745072777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3745072777.

It is not a weakly prime, because it can be changed into another prime (3745072277) 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 as a sum of consecutive naturals, namely, 1872536388 + 1872536389.

It is an arithmetic number, because the mean of its divisors is an integer number (1872536389).

Almost surely, 2^3745072777 is an apocalyptic number.

It is an amenable number.

3745072777 is a deficient number, since it is larger than the sum of its proper divisors (1).

3745072777 is an equidigital number, since it uses as much as digits as its factorization.

3745072777 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016840, while the sum is 49.

The square root of 3745072777 is about 61196.9997385493. Note that the first 3 decimals coincide. The cubic root of 3745072777 is about 1552.9355090754.

The spelling of 3745072777 in words is "three billion, seven hundred forty-five million, seventy-two thousand, seven hundred seventy-seven".