247470 has 32 divisors (see below), whose sum is σ = 607392. Its totient is φ = 64512.

The previous prime is 247463. The next prime is 247501. The reversal of 247470 is 74742.

It is a super-2 number, since 2×247470² = 122482801800, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 247470.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2134 + ... + 2246.

It is an arithmetic number, because the mean of its divisors is an integer number (18981).

2²⁴⁷⁴⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303696).

247470 is an abundant number, since it is smaller than the sum of its proper divisors (359922).

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

247470 is a wasteful number, since it uses less digits than its factorization.

247470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196.

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 247470 is about 497.4635665051. The cubic root of 247470 is about 62.7828248974.

It can be divided in two parts, 247 and 470, that added together give a palindrome (717).

The spelling of 247470 in words is "two hundred forty-seven thousand, four hundred seventy", and thus it is an iban number.