247386072 has 16 divisors (see below), whose sum is σ = 618465240. Its totient is φ = 82462016.

The previous prime is 247386071. The next prime is 247386079. The reversal of 247386072 is 270683742.

It is a super-2 number, since 2×247386072² = 122399737239178368, 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 247386072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247386071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5153853 + ... + 5153900.

Almost surely, 2^247386072 is an apocalyptic number.

It is an amenable number.

247386072 is an abundant number, since it is smaller than the sum of its proper divisors (371079168).

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

247386072 is a wasteful number, since it uses less digits than its factorization.

247386072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10307762 (or 10307758 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 247386072 is about 15728.5114362421. The cubic root of 247386072 is about 627.7572661920.

The spelling of 247386072 in words is "two hundred forty-seven million, three hundred eighty-six thousand, seventy-two".