74522244140694 has 384 divisors, whose sum is σ = 203233437941760. Its totient is φ = 19820182636800.

The previous prime is 74522244140621. The next prime is 74522244140801. The reversal of 74522244140694 is 49604144222547.

74522244140694 is a `hidden beast` number, since 7 + 4 + 5 + 2 + 224 + 4 + 1 + 406 + 9 + 4 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 74522244140694.

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, 9098060139 + ... + 9098068329.

It is an arithmetic number, because the mean of its divisors is an integer number (529253744640).

Almost surely, 2^{74522244140694} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74522244140694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101616718970880).

74522244140694 is an abundant number, since it is smaller than the sum of its proper divisors (128711193801066).

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

74522244140694 is a wasteful number, since it uses less digits than its factorization.

74522244140694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9401 (or 9376 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 54.

The spelling of 74522244140694 in words is "seventy-four trillion, five hundred twenty-two billion, two hundred forty-four million, one hundred forty thousand, six hundred ninety-four".