74507216747 has 2 divisors, whose sum is σ = 74507216748. Its totient is φ = 74507216746.

The previous prime is 74507216741. The next prime is 74507216801. The reversal of 74507216747 is 74761270547.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74507216747 - 2³⁰ = 73433474923 is a prime.

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 = 74507216695 and 74507216704.

It is not a weakly prime, because it can be changed into another prime (74507216741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37253608373 + 37253608374.

It is an arithmetic number, because the mean of its divisors is an integer number (37253608374).

Almost surely, 2^74507216747 is an apocalyptic number.

74507216747 is a deficient number, since it is larger than the sum of its proper divisors (1).

74507216747 is an equidigital number, since it uses as much as digits as its factorization.

74507216747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304960, while the sum is 50.

The spelling of 74507216747 in words is "seventy-four billion, five hundred seven million, two hundred sixteen thousand, seven hundred forty-seven".