247272 has 16 divisors (see below), whose sum is σ = 618240. Its totient is φ = 82416.

The previous prime is 247259. The next prime is 247279. The reversal of 247272 is 272742.

It is a super-2 number, since 2×247272² = 122286883968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 10303 = 247272 / (2 + 4 + 7 + 2 + 7 + 2).

247272 is a modest number, since divided by 7272 gives 24 as remainder.

It is not an unprimeable number, because it can be changed into a prime (247279) by changing a digit.

247272 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5128 + ... + 5175.

It is an arithmetic number, because the mean of its divisors is an integer number (38640).

2²⁴⁷²⁷² is an apocalyptic number.

It is an amenable number.

247272 is an abundant number, since it is smaller than the sum of its proper divisors (370968).

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

247272 is a wasteful number, since it uses less digits than its factorization.

247272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10312 (or 10308 counting only the distinct ones).

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

The square root of 247272 is about 497.2645171335. The cubic root of 247272 is about 62.7660763135.

It can be divided in two parts, 2 and 47272, that added together give a palindrome (47274).

The spelling of 247272 in words is "two hundred forty-seven thousand, two hundred seventy-two", and thus it is an iban number.