247082752 has 72 divisors (see below), whose sum is σ = 567626976. Its totient is φ = 105148416.

The previous prime is 247082747. The next prime is 247082761. The reversal of 247082752 is 257280742.

It is a super-2 number, since 2×247082752² = 122099772671787008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309618 + ... + 310414.

It is an arithmetic number, because the mean of its divisors is an integer number (7883708).

Almost surely, 2^247082752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247082752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283813488).

247082752 is an abundant number, since it is smaller than the sum of its proper divisors (320544224).

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

247082752 is an equidigital number, since it uses as much as digits as its factorization.

247082752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993 (or 979 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 247082752 is about 15718.8661168673. The cubic root of 247082752 is about 627.5005969212.

The spelling of 247082752 in words is "two hundred forty-seven million, eighty-two thousand, seven hundred fifty-two".