247790112 has 24 divisors (see below), whose sum is σ = 650449296. Its totient is φ = 82596672.

The previous prime is 247790111. The next prime is 247790131. The reversal of 247790112 is 211097742.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×247790112² = 122799879209945088, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (247790111) 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 3 ways as a sum of consecutive naturals, for example, 1290478 + ... + 1290669.

It is an arithmetic number, because the mean of its divisors is an integer number (27102054).

Almost surely, 2^247790112 is an apocalyptic number.

It is an amenable number.

247790112 is an abundant number, since it is smaller than the sum of its proper divisors (402659184).

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

247790112 is a wasteful number, since it uses less digits than its factorization.

247790112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581160 (or 2581152 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 247790112 is about 15741.3503867997. The cubic root of 247790112 is about 628.0988390282.

The spelling of 247790112 in words is "two hundred forty-seven million, seven hundred ninety thousand, one hundred twelve".