74804187366720 has 1344 divisors, whose sum is σ = 300560199813120. Its totient is φ = 16724568047616.

The previous prime is 74804187366719. The next prime is 74804187366731. The reversal of 74804187366720 is 2766378140847.

74804187366720 is a `hidden beast` number, since 7 + 4 + 80 + 418 + 73 + 6 + 6 + 72 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a super-4 number, since 4×74804187366720⁴ (a number of 57 digits) contains 4444 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 122029669134 + ... + 122029669746.

Almost surely, 2^{74804187366720} is an apocalyptic number.

74804187366720 is a gapful number since it is divisible by the number (70) 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 74804187366720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150280099906560).

74804187366720 is an abundant number, since it is smaller than the sum of its proper divisors (225756012446400).

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

74804187366720 is a wasteful number, since it uses less digits than its factorization.

74804187366720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312 (or 1299 counting only the distinct ones).

The product of its (nonzero) digits is 75866112, while the sum is 63.

The spelling of 74804187366720 in words is "seventy-four trillion, eight hundred four billion, one hundred eighty-seven million, three hundred sixty-six thousand, seven hundred twenty".