247417480 has 32 divisors (see below), whose sum is σ = 560439000. Its totient is φ = 98300416.

The previous prime is 247417453. The next prime is 247417501. The reversal of 247417480 is 84714742.

It can be written as a sum of positive squares in 4 ways, for example, as 180472356 + 66945124 = 13434^2 + 8182^2 .

It is a super-2 number, since 2×247417480² = 122430818819100800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14797 + ... + 26716.

Almost surely, 2^247417480 is an apocalyptic number.

247417480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

247417480 is an abundant number, since it is smaller than the sum of its proper divisors (313021520).

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

247417480 is a wasteful number, since it uses less digits than its factorization.

247417480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41673 (or 41669 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 37.

The square root of 247417480 is about 15729.5098461459. The cubic root of 247417480 is about 627.7838316405.

The spelling of 247417480 in words is "two hundred forty-seven million, four hundred seventeen thousand, four hundred eighty".