247133064 has 128 divisors (see below), whose sum is σ = 664848000. Its totient is φ = 76437504.

The previous prime is 247133059. The next prime is 247133069. The reversal of 247133064 is 460331742.

247133064 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (247133059) and next prime (247133069).

It is a super-2 number, since 2×247133064² = 122149502644056192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247133069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2776732 + ... + 2776820.

It is an arithmetic number, because the mean of its divisors is an integer number (5194125).

Almost surely, 2^247133064 is an apocalyptic number.

247133064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247133064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332424000).

247133064 is an abundant number, since it is smaller than the sum of its proper divisors (417714936).

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

247133064 is a wasteful number, since it uses less digits than its factorization.

247133064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 247133064 is about 15720.4664052947. The cubic root of 247133064 is about 627.5431854428.

The spelling of 247133064 in words is "two hundred forty-seven million, one hundred thirty-three thousand, sixty-four".