74451473326080 has 560 divisors, whose sum is σ = 267436466843040. Its totient is φ = 19814271418368.

The previous prime is 74451473326073. The next prime is 74451473326093. The reversal of 74451473326080 is 8062337415447.

74451473326080 is a `hidden beast` number, since 7 + 4 + 4 + 5 + 1 + 473 + 32 + 60 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1688717797 + ... + 1688761883.

Almost surely, 2^{74451473326080} 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 74451473326080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133718233421520).

74451473326080 is an abundant number, since it is smaller than the sum of its proper divisors (192984993516960).

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

74451473326080 is an equidigital number, since it uses as much as digits as its factorization.

74451473326080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44639 (or 44606 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 54.

The spelling of 74451473326080 in words is "seventy-four trillion, four hundred fifty-one billion, four hundred seventy-three million, three hundred twenty-six thousand, eighty".