74466894063744 has 1024 divisors, whose sum is σ = 279462113280000. Its totient is φ = 18989962444800.

The previous prime is 74466894063719. The next prime is 74466894063787. The reversal of 74466894063744 is 44736049866447.

It is a happy number.

74466894063744 is a `hidden beast` number, since 7 + 4 + 466 + 8 + 94 + 0 + 6 + 3 + 74 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15101780959 + ... + 15101785889.

It is an arithmetic number, because the mean of its divisors is an integer number (272912220000).

Almost surely, 2^{74466894063744} 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 74466894063744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139731056640000).

74466894063744 is an abundant number, since it is smaller than the sum of its proper divisors (204995219216256).

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

74466894063744 is a wasteful number, since it uses less digits than its factorization.

74466894063744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6554 (or 6536 counting only the distinct ones).

The product of its (nonzero) digits is 2341011456, while the sum is 72.

The spelling of 74466894063744 in words is "seventy-four trillion, four hundred sixty-six billion, eight hundred ninety-four million, sixty-three thousand, seven hundred forty-four".