7691357740 has 72 divisors (see below), whose sum is σ = 17808257376. Its totient is φ = 2788262400.

The previous prime is 7691357693. The next prime is 7691357747. The reversal of 7691357740 is 477531967.

It is not an unprimeable number, because it can be changed into a prime (7691357747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 810825 + ... + 820255.

It is an arithmetic number, because the mean of its divisors is an integer number (247336908).

Almost surely, 2^7691357740 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 7691357740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8904128688).

7691357740 is an abundant number, since it is smaller than the sum of its proper divisors (10116899636).

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

7691357740 is a wasteful number, since it uses less digits than its factorization.

7691357740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9799 (or 9786 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 49.

The square root of 7691357740 is about 87700.3862021143. The cubic root of 7691357740 is about 1973.9417705347.

The spelling of 7691357740 in words is "seven billion, six hundred ninety-one million, three hundred fifty-seven thousand, seven hundred forty".