5147640 has 96 divisors (see below), whose sum is σ = 17035200. Its totient is φ = 1347840.

The previous prime is 5147633. The next prime is 5147647. The reversal of 5147640 is 467415.

5147640 is a `hidden beast` number, since 5 + 14 + 7 + 640 = 666.

It is an interprime number because it is at equal distance from previous prime (5147633) and next prime (5147647).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5147647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28350 + ... + 28530.

It is an arithmetic number, because the mean of its divisors is an integer number (177450).

Almost surely, 2^5147640 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 5147640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8517600).

5147640 is an abundant number, since it is smaller than the sum of its proper divisors (11887560).

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

5147640 is a wasteful number, since it uses less digits than its factorization.

5147640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 5147640 is about 2268.8411138729. The cubic root of 5147640 is about 172.6643675913.

The spelling of 5147640 in words is "five million, one hundred forty-seven thousand, six hundred forty".