74981376000 has 680 divisors, whose sum is σ = 282046966344. Its totient is φ = 19818086400.

The previous prime is 74981375999. The next prime is 74981376017. The reversal of 74981376000 is 67318947.

74981376000 is a `hidden beast` number, since 7 + 4 + 9 + 8 + 1 + 37 + 600 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 19752615936 + 55228760064 = 140544^2 + 235008^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 663551944 + ... + 663552056.

Almost surely, 2^74981376000 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 74981376000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141023483172).

74981376000 is an abundant number, since it is smaller than the sum of its proper divisors (207065590344).

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

74981376000 is an frugal number, since it uses more digits than its factorization.

74981376000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 74981376000 in words is "seventy-four billion, nine hundred eighty-one million, three hundred seventy-six thousand".