9612742680 has 192 divisors, whose sum is σ = 32240557440. Its totient is φ = 2482569216.

The previous prime is 9612742639. The next prime is 9612742681. The reversal of 9612742680 is 862472169.

It is a happy number.

9612742680 is a `hidden beast` number, since 9 + 612 + 7 + 4 + 26 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9612742681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1638312 + ... + 1644168.

It is an arithmetic number, because the mean of its divisors is an integer number (167919570).

Almost surely, 2^9612742680 is an apocalyptic number.

9612742680 is a gapful number since it is divisible by the number (90) 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 9612742680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16120278720).

9612742680 is an abundant number, since it is smaller than the sum of its proper divisors (22627814760).

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

9612742680 is a wasteful number, since it uses less digits than its factorization.

9612742680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6018 (or 6011 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 9612742680 is about 98044.5953635385. The cubic root of 9612742680 is about 2126.2570780309.

The spelling of 9612742680 in words is "nine billion, six hundred twelve million, seven hundred forty-two thousand, six hundred eighty".