74246464247 has 2 divisors, whose sum is σ = 74246464248. Its totient is φ = 74246464246.

The previous prime is 74246464189. The next prime is 74246464297.

74246464247 is nontrivially palindromic in base 10.

It is an a-pointer prime, because the next prime (74246464297) can be obtained adding 74246464247 to its sum of digits (50).

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 74246464247 - 2²⁸ = 73978028791 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74246464195 and 74246464204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74246464297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37123232123 + 37123232124.

It is an arithmetic number, because the mean of its divisors is an integer number (37123232124).

Almost surely, 2^74246464247 is an apocalyptic number.

74246464247 is a deficient number, since it is larger than the sum of its proper divisors (1).

74246464247 is an equidigital number, since it uses as much as digits as its factorization.

74246464247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7225344, while the sum is 50.

The spelling of 74246464247 in words is "seventy-four billion, two hundred forty-six million, four hundred sixty-four thousand, two hundred forty-seven".