74749758051264 has 224 divisors, whose sum is σ = 199073892326400. Its totient is φ = 24753691361280.

The previous prime is 74749758051191. The next prime is 74749758051281. The reversal of 74749758051264 is 46215085794747.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35110265752 + ... + 35110267880.

It is an arithmetic number, because the mean of its divisors is an integer number (888722733600).

Almost surely, 2^{74749758051264} 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 74749758051264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99536946163200).

74749758051264 is an abundant number, since it is smaller than the sum of its proper divisors (124324134275136).

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

74749758051264 is a wasteful number, since it uses less digits than its factorization.

74749758051264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171 (or 4161 counting only the distinct ones).

The product of its (nonzero) digits is 474163200, while the sum is 69.

The spelling of 74749758051264 in words is "seventy-four trillion, seven hundred forty-nine billion, seven hundred fifty-eight million, fifty-one thousand, two hundred sixty-four".