37727645741 has 2 divisors, whose sum is σ = 37727645742. Its totient is φ = 37727645740.

The previous prime is 37727645707. The next prime is 37727645801. The reversal of 37727645741 is 14754672773.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30022492900 + 7705152841 = 173270^2 + 87779^2 .

It is a cyclic number.

It is not a de Polignac number, because 37727645741 - 2¹⁸ = 37727383597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37727645701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18863822870 + 18863822871.

It is an arithmetic number, because the mean of its divisors is an integer number (18863822871).

Almost surely, 2^37727645741 is an apocalyptic number.

It is an amenable number.

37727645741 is a deficient number, since it is larger than the sum of its proper divisors (1).

37727645741 is an equidigital number, since it uses as much as digits as its factorization.

37727645741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6914880, while the sum is 53.

The spelling of 37727645741 in words is "thirty-seven billion, seven hundred twenty-seven million, six hundred forty-five thousand, seven hundred forty-one".