74666558620493 has 16 divisors (see below), whose sum is σ = 85472909886336. Its totient is φ = 63895156395840.

The previous prime is 74666558620399. The next prime is 74666558620501. The reversal of 74666558620493 is 39402685566647.

It is not a de Polignac number, because 74666558620493 - 2⁸ = 74666558620237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74666558623493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36449330 + ... + 38443292.

It is an arithmetic number, because the mean of its divisors is an integer number (5342056867896).

Almost surely, 2^{74666558620493} is an apocalyptic number.

It is an amenable number.

74666558620493 is a deficient number, since it is larger than the sum of its proper divisors (10806351265843).

74666558620493 is a wasteful number, since it uses less digits than its factorization.

74666558620493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002724.

The product of its (nonzero) digits is 1567641600, while the sum is 71.

The spelling of 74666558620493 in words is "seventy-four trillion, six hundred sixty-six billion, five hundred fifty-eight million, six hundred twenty thousand, four hundred ninety-three".