74223567856 has 40 divisors (see below), whose sum is σ = 147769185024. Its totient is φ = 36099276480.

The previous prime is 74223567853. The next prime is 74223567877. The reversal of 74223567856 is 65876532247.

It is a junction number, because it is equal to n+sod(n) for n = 74223567797 and 74223567806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74223567853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180190 + ... + 425341.

Almost surely, 2^74223567856 is an apocalyptic number.

It is an amenable number.

74223567856 is a deficient number, since it is larger than the sum of its proper divisors (73545617168).

74223567856 is a wasteful number, since it uses less digits than its factorization.

74223567856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605749 (or 605743 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 55.

The spelling of 74223567856 in words is "seventy-four billion, two hundred twenty-three million, five hundred sixty-seven thousand, eight hundred fifty-six".