74223567858 has 96 divisors (see below), whose sum is σ = 169528246272. Its totient is φ = 21483748000.

The previous prime is 74223567853. The next prime is 74223567877. The reversal of 74223567858 is 85876532247.

It is a super-2 number, since 2×74223567858² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74223567798 and 74223567807.

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 47 ways as a sum of consecutive naturals, for example, 40185091 + ... + 40186937.

It is an arithmetic number, because the mean of its divisors is an integer number (1765919232).

Almost surely, 2^74223567858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74223567858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84764123136).

74223567858 is an abundant number, since it is smaller than the sum of its proper divisors (95304678414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74223567858 is a wasteful number, since it uses less digits than its factorization.

74223567858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060 (or 3037 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 57.

The spelling of 74223567858 in words is "seventy-four billion, two hundred twenty-three million, five hundred sixty-seven thousand, eight hundred fifty-eight".