7691401144 has 64 divisors (see below), whose sum is σ = 16752153600. Its totient is φ = 3242346624.

The previous prime is 7691401139. The next prime is 7691401147. The reversal of 7691401144 is 4411041967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7691401147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3897342 + ... + 3899314.

It is an arithmetic number, because the mean of its divisors is an integer number (261752400).

Almost surely, 2^7691401144 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 7691401144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8376076800).

7691401144 is an abundant number, since it is smaller than the sum of its proper divisors (9060752456).

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

7691401144 is a wasteful number, since it uses less digits than its factorization.

7691401144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3092 (or 3088 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 7691401144 is about 87700.6336579161. The cubic root of 7691401144 is about 1973.9454836549.

The spelling of 7691401144 in words is "seven billion, six hundred ninety-one million, four hundred one thousand, one hundred forty-four".