74103777774 has 96 divisors (see below), whose sum is σ = 183686971104. Its totient is φ = 22244958720.

The previous prime is 74103777773. The next prime is 74103777779. The reversal of 74103777774 is 47777730147.

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 74103777774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74103777773) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116002 + ... + 402074.

It is an arithmetic number, because the mean of its divisors is an integer number (1913405949).

Almost surely, 2^74103777774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74103777774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91843485552).

74103777774 is an abundant number, since it is smaller than the sum of its proper divisors (109583193330).

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

74103777774 is a wasteful number, since it uses less digits than its factorization.

74103777774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286144 (or 286132 counting only the distinct ones).

The product of its (nonzero) digits is 5647152, while the sum is 54.

The spelling of 74103777774 in words is "seventy-four billion, one hundred three million, seven hundred seventy-seven thousand, seven hundred seventy-four".