74396771 has 2 divisors, whose sum is σ = 74396772. Its totient is φ = 74396770.

The previous prime is 74396737. The next prime is 74396809. The reversal of 74396771 is 17769347.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74396771 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74396071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37198385 + 37198386.

It is an arithmetic number, because the mean of its divisors is an integer number (37198386).

Almost surely, 2^74396771 is an apocalyptic number.

74396771 is a deficient number, since it is larger than the sum of its proper divisors (1).

74396771 is an equidigital number, since it uses as much as digits as its factorization.

74396771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 222264, while the sum is 44.

The square root of 74396771 is about 8625.3562824964. The cubic root of 74396771 is about 420.5826588117.

The spelling of 74396771 in words is "seventy-four million, three hundred ninety-six thousand, seven hundred seventy-one".