74069447868 has 360 divisors, whose sum is σ = 223253886240. Its totient is φ = 21261139200.

The previous prime is 74069447861. The next prime is 74069447887. The reversal of 74069447868 is 86874496047.

74069447868 is a `hidden beast` number, since 7 + 40 + 69 + 4 + 478 + 68 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74069447861) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 117383913 + ... + 117384543.

It is an arithmetic number, because the mean of its divisors is an integer number (620149684).

Almost surely, 2^74069447868 is an apocalyptic number.

74069447868 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74069447868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111626943120).

74069447868 is an abundant number, since it is smaller than the sum of its proper divisors (149184438372).

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

74069447868 is a wasteful number, since it uses less digits than its factorization.

74069447868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 63.

The spelling of 74069447868 in words is "seventy-four billion, sixty-nine million, four hundred forty-seven thousand, eight hundred sixty-eight".