74696618747 has 2 divisors, whose sum is σ = 74696618748. Its totient is φ = 74696618746.

The previous prime is 74696618743. The next prime is 74696618749. The reversal of 74696618747 is 74781669647.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74696618747 - 2² = 74696618743 is a prime.

Together with 74696618749, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74696618743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37348309373 + 37348309374.

It is an arithmetic number, because the mean of its divisors is an integer number (37348309374).

Almost surely, 2^74696618747 is an apocalyptic number.

74696618747 is a deficient number, since it is larger than the sum of its proper divisors (1).

74696618747 is an equidigital number, since it uses as much as digits as its factorization.

74696618747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85349376, while the sum is 65.

The spelling of 74696618747 in words is "seventy-four billion, six hundred ninety-six million, six hundred eighteen thousand, seven hundred forty-seven".