74489454846 has 192 divisors, whose sum is σ = 181256961600. Its totient is φ = 22594940928.

The previous prime is 74489454841. The next prime is 74489454859. The reversal of 74489454846 is 64845498447.

74489454846 is a `hidden beast` number, since 7 + 4 + 4 + 89 + 4 + 548 + 4 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74489454841) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 221036790 + ... + 221037126.

It is an arithmetic number, because the mean of its divisors is an integer number (944046675).

Almost surely, 2^74489454846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74489454846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90628480800).

74489454846 is an abundant number, since it is smaller than the sum of its proper divisors (106767506754).

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

74489454846 is a wasteful number, since it uses less digits than its factorization.

74489454846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 515 counting only the distinct ones).

The product of its digits is 123863040, while the sum is 63.

The spelling of 74489454846 in words is "seventy-four billion, four hundred eighty-nine million, four hundred fifty-four thousand, eight hundred forty-six".