73768771 has 2 divisors, whose sum is σ = 73768772. Its totient is φ = 73768770.

The previous prime is 73768769. The next prime is 73768789. The reversal of 73768771 is 17786737.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73768771 - 2¹ = 73768769 is a prime.

Together with 73768769, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (73768711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36884385 + 36884386.

It is an arithmetic number, because the mean of its divisors is an integer number (36884386).

Almost surely, 2^73768771 is an apocalyptic number.

73768771 is a deficient number, since it is larger than the sum of its proper divisors (1).

73768771 is an equidigital number, since it uses as much as digits as its factorization.

73768771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 345744, while the sum is 46.

The square root of 73768771 is about 8588.8748389996. The cubic root of 73768771 is about 419.3959021227.

The spelling of 73768771 in words is "seventy-three million, seven hundred sixty-eight thousand, seven hundred seventy-one".