247064952 has 32 divisors (see below), whose sum is σ = 622385280. Its totient is φ = 81725280.

The previous prime is 247064941. The next prime is 247064953. The reversal of 247064952 is 259460742.

It is a super-2 number, since 2×247064952² = 122082181013524608, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 247064952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247064953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36148 + ... + 42435.

It is an arithmetic number, because the mean of its divisors is an integer number (19449540).

Almost surely, 2^247064952 is an apocalyptic number.

It is an amenable number.

247064952 is an abundant number, since it is smaller than the sum of its proper divisors (375320328).

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

247064952 is a wasteful number, since it uses less digits than its factorization.

247064952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78723 (or 78719 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 247064952 is about 15718.2999080689. The cubic root of 247064952 is about 627.4855280441.

The spelling of 247064952 in words is "two hundred forty-seven million, sixty-four thousand, nine hundred fifty-two".