74000066740 has 24 divisors (see below), whose sum is σ = 155523624480. Its totient is φ = 29576505888.

The previous prime is 74000066719. The next prime is 74000066743. The reversal of 74000066740 is 4766000047.

It is a junction number, because it is equal to n+sod(n) for n = 74000066696 and 74000066705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74000066743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444242 + ... + 1494601.

It is an arithmetic number, because the mean of its divisors is an integer number (6480151020).

Almost surely, 2^74000066740 is an apocalyptic number.

It is an amenable number.

74000066740 is an abundant number, since it is smaller than the sum of its proper divisors (81523557740).

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

74000066740 is a wasteful number, since it uses less digits than its factorization.

74000066740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940111 (or 2940109 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

Adding to 74000066740 its reverse (4766000047), we get a palindrome (78766066787).

The spelling of 74000066740 in words is "seventy-four billion, sixty-six thousand, seven hundred forty".