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5670000 = 2434547

5670000 has 250 divisors, whose sum is σ = 23436248. Its totient is φ = 1296000.

The previous prime is 5669977. The next prime is 5670031. The reversal of 5670000 is 765.

It is a tau number, because it is divible by the number of its divisors (250).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 15.

It is a zygodrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 49 ways as a sum of consecutive naturals, for example, 809997 + ... + 810003.

Almost surely, 25670000 is an apocalyptic number.

5670000 is a gapful number since it is divisible by the number (50) 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 5670000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11718124).

5670000 is an abundant number, since it is smaller than the sum of its proper divisors (17766248).

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

5670000 is an equidigital number, since it uses as much as digits as its factorization.

5670000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 5670000 is about 2381.1761799581. The cubic root of 5670000 is about 178.3176585829.

5670000 divided by its product of nonzero digits (210) gives a cube (27000 = 303).

Adding to 5670000 its reverse (765), we get a palindrome (5670765).

The spelling of 5670000 in words is "five million, six hundred seventy thousand".