7400066740 has 48 divisors (see below), whose sum is σ = 17240247360. Its totient is φ = 2645319680.

The previous prime is 7400066701. The next prime is 7400066741. The reversal of 7400066740 is 476600047.

It is a junction number, because it is equal to n+sod(n) for n = 7400066696 and 7400066705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7400066741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272077 + ... + 298036.

It is an arithmetic number, because the mean of its divisors is an integer number (359171820).

Almost surely, 2^7400066740 is an apocalyptic number.

It is an amenable number.

7400066740 is an abundant number, since it is smaller than the sum of its proper divisors (9840180620).

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

7400066740 is a wasteful number, since it uses less digits than its factorization.

7400066740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570192 (or 570190 counting only the distinct ones).

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

The square root of 7400066740 is about 86023.6405879221. The cubic root of 7400066740 is about 1948.7010187316.

Adding to 7400066740 its reverse (476600047), we get a palindrome (7876666787).

The spelling of 7400066740 in words is "seven billion, four hundred million, sixty-six thousand, seven hundred forty".