74337761 has 2 divisors, whose sum is σ = 74337762. Its totient is φ = 74337760.

The previous prime is 74337749. The next prime is 74337803. The reversal of 74337761 is 16773347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44142736 + 30195025 = 6644^2 + 5495^2 .

It is an emirp because it is prime and its reverse (16773347) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74337761 is a prime.

It is a super-2 number, since 2×74337761² = 11052205420986242, which contains 22 as substring.

It is a Chen prime.

It is equal to p_4357766 and since 74337761 and 4357766 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (74330761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37168880 + 37168881.

It is an arithmetic number, because the mean of its divisors is an integer number (37168881).

Almost surely, 2^74337761 is an apocalyptic number.

It is an amenable number.

74337761 is a deficient number, since it is larger than the sum of its proper divisors (1).

74337761 is an equidigital number, since it uses as much as digits as its factorization.

74337761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74088, while the sum is 38.

The square root of 74337761 is about 8621.9348756529. The cubic root of 74337761 is about 420.4714302054.

The spelling of 74337761 in words is "seventy-four million, three hundred thirty-seven thousand, seven hundred sixty-one".