74789698747 has 2 divisors, whose sum is σ = 74789698748. Its totient is φ = 74789698746.

The previous prime is 74789698721. The next prime is 74789698751.

74789698747 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74789698747 is a prime.

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

It is not a weakly prime, because it can be changed into another prime (74789698447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37394849373 + 37394849374.

It is an arithmetic number, because the mean of its divisors is an integer number (37394849374).

Almost surely, 2^74789698747 is an apocalyptic number.

74789698747 is a deficient number, since it is larger than the sum of its proper divisors (1).

74789698747 is an equidigital number, since it uses as much as digits as its factorization.

74789698747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1194891264, while the sum is 76.

The spelling of 74789698747 in words is "seventy-four billion, seven hundred eighty-nine million, six hundred ninety-eight thousand, seven hundred forty-seven".