74997071 has 2 divisors, whose sum is σ = 74997072. Its totient is φ = 74997070.

The previous prime is 74997059. The next prime is 74997073. The reversal of 74997071 is 17079947.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74997071 - 2¹⁴ = 74980687 is a prime.

Together with 74997073, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74997073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37498535 + 37498536.

It is an arithmetic number, because the mean of its divisors is an integer number (37498536).

Almost surely, 2^74997071 is an apocalyptic number.

74997071 is a deficient number, since it is larger than the sum of its proper divisors (1).

74997071 is an equidigital number, since it uses as much as digits as its factorization.

74997071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 111132, while the sum is 44.

The square root of 74997071 is about 8660.0849302995. The cubic root of 74997071 is about 421.7108427699.

The spelling of 74997071 in words is "seventy-four million, nine hundred ninety-seven thousand, seventy-one".