247027872 has 96 divisors (see below), whose sum is σ = 798118272. Its totient is φ = 65147904.

The previous prime is 247027813. The next prime is 247027897. The reversal of 247027872 is 278720742.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×247027872² = 122045539089696768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 247027872.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5403 + ... + 22874.

It is an arithmetic number, because the mean of its divisors is an integer number (8313732).

Almost surely, 2^247027872 is an apocalyptic number.

It is an amenable number.

247027872 is an abundant number, since it is smaller than the sum of its proper divisors (551090400).

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

247027872 is a wasteful number, since it uses less digits than its factorization.

247027872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28310 (or 28302 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 39.

The square root of 247027872 is about 15717.1203469338. The cubic root of 247027872 is about 627.4541350477.

The spelling of 247027872 in words is "two hundred forty-seven million, twenty-seven thousand, eight hundred seventy-two".