74857694328 has 192 divisors, whose sum is σ = 217079516160. Its totient is φ = 23221997568.

The previous prime is 74857694309. The next prime is 74857694341. The reversal of 74857694328 is 82349675847.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61712250 + ... + 61713462.

It is an arithmetic number, because the mean of its divisors is an integer number (1130622480).

Almost surely, 2^74857694328 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 74857694328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108539758080).

74857694328 is an abundant number, since it is smaller than the sum of its proper divisors (142221821832).

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

74857694328 is a wasteful number, since it uses less digits than its factorization.

74857694328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766 (or 1759 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 63.

The spelling of 74857694328 in words is "seventy-four billion, eight hundred fifty-seven million, six hundred ninety-four thousand, three hundred twenty-eight".