7566961392 has 120 divisors (see below), whose sum is σ = 22508001360. Its totient is φ = 2364917760.

The previous prime is 7566961379. The next prime is 7566961393. The reversal of 7566961392 is 2931696657.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7566961393) 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, 652767 + ... + 664257.

It is an arithmetic number, because the mean of its divisors is an integer number (187566678).

Almost surely, 2^7566961392 is an apocalyptic number.

7566961392 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7566961392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11254000680).

7566961392 is an abundant number, since it is smaller than the sum of its proper divisors (14941039968).

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

7566961392 is a wasteful number, since it uses less digits than its factorization.

7566961392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11791 (or 11782 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 7566961392 is about 86988.2830730668. The cubic root of 7566961392 is about 1963.2420133364.

The spelling of 7566961392 in words is "seven billion, five hundred sixty-six million, nine hundred sixty-one thousand, three hundred ninety-two".