74254838718 has 64 divisors (see below), whose sum is σ = 155965446144. Its totient is φ = 23537520000.

The previous prime is 74254838689. The next prime is 74254838719. The reversal of 74254838718 is 81783845247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74254838719) by changing a digit.

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, 14554368 + ... + 14559468.

It is an arithmetic number, because the mean of its divisors is an integer number (2436960096).

Almost surely, 2^74254838718 is an apocalyptic number.

74254838718 is an abundant number, since it is smaller than the sum of its proper divisors (81710607426).

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

74254838718 is a wasteful number, since it uses less digits than its factorization.

74254838718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6481.

The product of its digits is 12042240, while the sum is 57.

The spelling of 74254838718 in words is "seventy-four billion, two hundred fifty-four million, eight hundred thirty-eight thousand, seven hundred eighteen".