7640601740 has 48 divisors (see below), whose sum is σ = 16464258720. Its totient is φ = 2976683520.

The previous prime is 7640601733. The next prime is 7640601743. The reversal of 7640601740 is 471060467.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7640601740.

It is not an unprimeable number, because it can be changed into a prime (7640601743) 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, 500054 + ... + 515106.

It is an arithmetic number, because the mean of its divisors is an integer number (343005390).

Almost surely, 2^7640601740 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 7640601740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8232129360).

7640601740 is an abundant number, since it is smaller than the sum of its proper divisors (8823656980).

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

7640601740 is a wasteful number, since it uses less digits than its factorization.

7640601740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15722 (or 15720 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 7640601740 is about 87410.5356350137. The cubic root of 7640601740 is about 1969.5901077173.

The spelling of 7640601740 in words is "seven billion, six hundred forty million, six hundred one thousand, seven hundred forty".