247830532 has 12 divisors (see below), whose sum is σ = 434226240. Its totient is φ = 123765896.

The previous prime is 247830493. The next prime is 247830533. The reversal of 247830532 is 235038742.

247830532 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247830532² = 122839945182806048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247830533) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 33568 + ... + 40279.

It is an arithmetic number, because the mean of its divisors is an integer number (36185520).

Almost surely, 2^247830532 is an apocalyptic number.

It is an amenable number.

247830532 is a deficient number, since it is larger than the sum of its proper divisors (186395708).

247830532 is a wasteful number, since it uses less digits than its factorization.

247830532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74690 (or 74688 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 247830532 is about 15742.6342141333. The cubic root of 247830532 is about 628.1329894019.

The spelling of 247830532 in words is "two hundred forty-seven million, eight hundred thirty thousand, five hundred thirty-two".