74343377 has 2 divisors, whose sum is σ = 74343378. Its totient is φ = 74343376.

The previous prime is 74343359. The next prime is 74343403. The reversal of 74343377 is 77334347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65869456 + 8473921 = 8116^2 + 2911^2 .

It is an emirp because it is prime and its reverse (77334347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74343377 - 2¹⁸ = 74081233 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74343377.

It is not a weakly prime, because it can be changed into another prime (74340377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37171688 + 37171689.

It is an arithmetic number, because the mean of its divisors is an integer number (37171689).

Almost surely, 2^74343377 is an apocalyptic number.

It is an amenable number.

74343377 is a deficient number, since it is larger than the sum of its proper divisors (1).

74343377 is an equidigital number, since it uses as much as digits as its factorization.

74343377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 148176, while the sum is 38.

The square root of 74343377 is about 8622.2605504589. The cubic root of 74343377 is about 420.4820184003.

The spelling of 74343377 in words is "seventy-four million, three hundred forty-three thousand, three hundred seventy-seven".