7400666740 has 48 divisors (see below), whose sum is σ = 15977670912. Its totient is φ = 2877330816.

The previous prime is 7400666719. The next prime is 7400666759. The reversal of 7400666740 is 476660047.

It is a junction number, because it is equal to n+sod(n) for n = 7400666693 and 7400666702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 811687 + ... + 820753.

It is an arithmetic number, because the mean of its divisors is an integer number (332868144).

Almost surely, 2^7400666740 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 7400666740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7988835456).

7400666740 is an abundant number, since it is smaller than the sum of its proper divisors (8577004172).

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

7400666740 is a wasteful number, since it uses less digits than its factorization.

7400666740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10216 (or 10214 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 7400666740 is about 86027.1279306708. The cubic root of 7400666740 is about 1948.7536844283.

The spelling of 7400666740 in words is "seven billion, four hundred million, six hundred sixty-six thousand, seven hundred forty".