74743234747 has 2 divisors, whose sum is σ = 74743234748. Its totient is φ = 74743234746.

The previous prime is 74743234729. The next prime is 74743234771.

74743234747 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74743234747 is a prime.

It is a super-2 number, since 2×74743234747² (a number of 23 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 74743234694 and 74743234703.

It is not a weakly prime, because it can be changed into another prime (74743234847) 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, 37371617373 + 37371617374.

It is an arithmetic number, because the mean of its divisors is an integer number (37371617374).

Almost surely, 2^74743234747 is an apocalyptic number.

74743234747 is a deficient number, since it is larger than the sum of its proper divisors (1).

74743234747 is an equidigital number, since it uses as much as digits as its factorization.

74743234747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11063808, while the sum is 52.

The spelling of 74743234747 in words is "seventy-four billion, seven hundred forty-three million, two hundred thirty-four thousand, seven hundred forty-seven".