74408662747 has 2 divisors, whose sum is σ = 74408662748. Its totient is φ = 74408662746.

The previous prime is 74408662711. The next prime is 74408662781. The reversal of 74408662747 is 74726680447.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74408662747 - 2¹⁹ = 74408138459 is a prime.

It is not a weakly prime, because it can be changed into another prime (74408662787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37204331373 + 37204331374.

It is an arithmetic number, because the mean of its divisors is an integer number (37204331374).

Almost surely, 2^74408662747 is an apocalyptic number.

74408662747 is a deficient number, since it is larger than the sum of its proper divisors (1).

74408662747 is an equidigital number, since it uses as much as digits as its factorization.

74408662747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12644352, while the sum is 55.

The spelling of 74408662747 in words is "seventy-four billion, four hundred eight million, six hundred sixty-two thousand, seven hundred forty-seven".