74145119 has 2 divisors, whose sum is σ = 74145120. Its totient is φ = 74145118.

The previous prime is 74145101. The next prime is 74145157. The reversal of 74145119 is 91154147.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74145119 is a prime.

It is a super-2 number, since 2×74145119² = 10994997343048322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74147119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37072559 + 37072560.

It is an arithmetic number, because the mean of its divisors is an integer number (37072560).

Almost surely, 2^74145119 is an apocalyptic number.

74145119 is a deficient number, since it is larger than the sum of its proper divisors (1).

74145119 is an equidigital number, since it uses as much as digits as its factorization.

74145119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 32.

The square root of 74145119 is about 8610.7560062982. The cubic root of 74145119 is about 420.1079068924.

Subtracting 74145119 from its reverse (91154147), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 74145119 in words is "seventy-four million, one hundred forty-five thousand, one hundred nineteen".