7660705240 has 64 divisors (see below), whose sum is σ = 18327254400. Its totient is φ = 2871902208.

The previous prime is 7660705211. The next prime is 7660705249. The reversal of 7660705240 is 425070667.

It is a self number, because there is not a number n which added to its sum of digits gives 7660705240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7660705249) 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, 138952 + ... + 186088.

It is an arithmetic number, because the mean of its divisors is an integer number (286363350).

Almost surely, 2^7660705240 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 7660705240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9163627200).

7660705240 is an abundant number, since it is smaller than the sum of its proper divisors (10666549160).

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

7660705240 is a wasteful number, since it uses less digits than its factorization.

7660705240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47404 (or 47400 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 7660705240 is about 87525.4548117289. The cubic root of 7660705240 is about 1971.3160179488.

The spelling of 7660705240 in words is "seven billion, six hundred sixty million, seven hundred five thousand, two hundred forty".