74487166488 has 320 divisors, whose sum is σ = 250303426560. Its totient is φ = 20234168064.

The previous prime is 74487166487. The next prime is 74487166489. The reversal of 74487166488 is 88466178447.

74487166488 is a `hidden beast` number, since 7 + 4 + 487 + 16 + 64 + 88 = 666.

It is an interprime number because it is at equal distance from previous prime (74487166487) and next prime (74487166489).

It is a super-2 number, since 2×74487166488² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74487166483) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 18046681 + ... + 18050807.

It is an arithmetic number, because the mean of its divisors is an integer number (782198208).

Almost surely, 2^74487166488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74487166488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125151713280).

74487166488 is an abundant number, since it is smaller than the sum of its proper divisors (175816260072).

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

74487166488 is a wasteful number, since it uses less digits than its factorization.

74487166488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4348 (or 4335 counting only the distinct ones).

The product of its digits is 57802752, while the sum is 63.

The spelling of 74487166488 in words is "seventy-four billion, four hundred eighty-seven million, one hundred sixty-six thousand, four hundred eighty-eight".