74053245421144 has 128 divisors (see below), whose sum is σ = 161813604096000. Its totient is φ = 31439192601600.

The previous prime is 74053245421069. The next prime is 74053245421229. The reversal of 74053245421144 is 44112454235047.

It is a junction number, because it is equal to n+sod(n) for n = 74053245421094 and 74053245421103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203848372 + ... + 204211324.

It is an arithmetic number, because the mean of its divisors is an integer number (1264168782000).

Almost surely, 2^{74053245421144} 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 74053245421144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80906802048000).

74053245421144 is an abundant number, since it is smaller than the sum of its proper divisors (87760358674856).

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

74053245421144 is a wasteful number, since it uses less digits than its factorization.

74053245421144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365609 (or 365605 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 46.

The spelling of 74053245421144 in words is "seventy-four trillion, fifty-three billion, two hundred forty-five million, four hundred twenty-one thousand, one hundred forty-four".