74827967 has 2 divisors, whose sum is σ = 74827968. Its totient is φ = 74827966.

The previous prime is 74827933. The next prime is 74828003. The reversal of 74827967 is 76972847.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74827967 - 2¹² = 74823871 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74827867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37413983 + 37413984.

It is an arithmetic number, because the mean of its divisors is an integer number (37413984).

Almost surely, 2^74827967 is an apocalyptic number.

74827967 is a deficient number, since it is larger than the sum of its proper divisors (1).

74827967 is an equidigital number, since it uses as much as digits as its factorization.

74827967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1185408, while the sum is 50.

The square root of 74827967 is about 8650.3160057885. The cubic root of 74827967 is about 421.3936452417.

The spelling of 74827967 in words is "seventy-four million, eight hundred twenty-seven thousand, nine hundred sixty-seven".