247713480 has 96 divisors (see below), whose sum is σ = 920088000. Its totient is φ = 56619648.

The previous prime is 247713463. The next prime is 247713481. The reversal of 247713480 is 84317742.

It is a happy number.

247713480 is a `hidden beast` number, since 247 + 71 + 348 + 0 = 666.

It is a super-2 number, since 2×247713480² = 122723936347420800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (247713481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46630 + ... + 51669.

It is an arithmetic number, because the mean of its divisors is an integer number (9584250).

Almost surely, 2^247713480 is an apocalyptic number.

247713480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

247713480 is an abundant number, since it is smaller than the sum of its proper divisors (672374520).

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

247713480 is a wasteful number, since it uses less digits than its factorization.

247713480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98323 (or 98316 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 247713480 is about 15738.9160999098. The cubic root of 247713480 is about 628.0340833734.

The spelling of 247713480 in words is "two hundred forty-seven million, seven hundred thirteen thousand, four hundred eighty".