247307132 has 48 divisors (see below), whose sum is σ = 462309120. Its totient is φ = 115513728.

The previous prime is 247307101. The next prime is 247307153. The reversal of 247307132 is 231703742.

It is a super-2 number, since 2×247307132² = 122321635076130848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247307095 and 247307104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1061288 + ... + 1061520.

It is an arithmetic number, because the mean of its divisors is an integer number (9631440).

Almost surely, 2^247307132 is an apocalyptic number.

It is an amenable number.

247307132 is a deficient number, since it is larger than the sum of its proper divisors (215001988).

247307132 is a wasteful number, since it uses less digits than its factorization.

247307132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 247307132 is about 15726.0017804908. The cubic root of 247307132 is about 627.6904873982.

The spelling of 247307132 in words is "two hundred forty-seven million, three hundred seven thousand, one hundred thirty-two".