74666558620607 has 2 divisors, whose sum is σ = 74666558620608. Its totient is φ = 74666558620606.

The previous prime is 74666558620553. The next prime is 74666558620631. The reversal of 74666558620607 is 70602685566647.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74666558620607 - 2¹² = 74666558616511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74666558680607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37333279310303 + 37333279310304.

It is an arithmetic number, because the mean of its divisors is an integer number (37333279310304).

Almost surely, 2^{74666558620607} is an apocalyptic number.

74666558620607 is a deficient number, since it is larger than the sum of its proper divisors (1).

74666558620607 is an equidigital number, since it uses as much as digits as its factorization.

74666558620607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 609638400, while the sum is 68.

The spelling of 74666558620607 in words is "seventy-four trillion, six hundred sixty-six billion, five hundred fifty-eight million, six hundred twenty thousand, six hundred seven".