74510774065456 has 80 divisors (see below), whose sum is σ = 148006120002048. Its totient is φ = 36317139046400.

The previous prime is 74510774065451. The next prime is 74510774065457. The reversal of 74510774065456 is 65456047701547.

It is a junction number, because it is equal to n+sod(n) for n = 74510774065394 and 74510774065403.

It is not an unprimeable number, because it can be changed into a prime (74510774065451) 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, 5091961116 + ... + 5091975748.

Almost surely, 2^{74510774065456} is an apocalyptic number.

It is an amenable number.

74510774065456 is a deficient number, since it is larger than the sum of its proper divisors (73495345936592).

74510774065456 is a wasteful number, since it uses less digits than its factorization.

74510774065456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20470 (or 20464 counting only the distinct ones).

The product of its (nonzero) digits is 98784000, while the sum is 61.

The spelling of 74510774065456 in words is "seventy-four trillion, five hundred ten billion, seven hundred seventy-four million, sixty-five thousand, four hundred fifty-six".