9467640 has 288 divisors, whose sum is σ = 40229280. Its totient is φ = 1880064.

The previous prime is 9467629. The next prime is 9467641. The reversal of 9467640 is 467649.

9467640 is a `hidden beast` number, since 9 + 4 + 6 + 7 + 640 = 666.

9467640 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 9467595 and 9467604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9467641) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 556912 + ... + 556928.

It is an arithmetic number, because the mean of its divisors is an integer number (139685).

Almost surely, 2^9467640 is an apocalyptic number.

9467640 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 9467640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20114640).

9467640 is an abundant number, since it is smaller than the sum of its proper divisors (30761640).

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

9467640 is a wasteful number, since it uses less digits than its factorization.

9467640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 9467640 is about 3076.9530383157. The cubic root of 9467640 is about 211.5504297700.

The spelling of 9467640 in words is "nine million, four hundred sixty-seven thousand, six hundred forty".