9620747136 has 896 divisors, whose sum is σ = 38957667840. Its totient is φ = 2284277760.

The previous prime is 9620747131. The next prime is 9620747153. The reversal of 9620747136 is 6317470269.

9620747136 is a `hidden beast` number, since 9 + 620 + 7 + 4 + 7 + 13 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (896).

It is a junction number, because it is equal to n+sod(n) for n = 9620747091 and 9620747100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9620747131) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 93405261 + ... + 93405363.

It is an arithmetic number, because the mean of its divisors is an integer number (43479540).

Almost surely, 2^9620747136 is an apocalyptic number.

9620747136 is a gapful number since it is divisible by the number (96) 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 9620747136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19478833920).

9620747136 is an abundant number, since it is smaller than the sum of its proper divisors (29336920704).

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

9620747136 is a wasteful number, since it uses less digits than its factorization.

9620747136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 9620747136 is about 98085.4073550189. The cubic root of 9620747136 is about 2126.8470868684.

The spelling of 9620747136 in words is "nine billion, six hundred twenty million, seven hundred forty-seven thousand, one hundred thirty-six".