247530164 has 36 divisors (see below), whose sum is σ = 520168320. Its totient is φ = 102659760.

The previous prime is 247530121. The next prime is 247530181. The reversal of 247530164 is 461035742.

It is a super-2 number, since 2×247530164² = 122542364179733792, 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 247530164.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14294 + ... + 26445.

It is an arithmetic number, because the mean of its divisors is an integer number (14449120).

Almost surely, 2^247530164 is an apocalyptic number.

It is an amenable number.

247530164 is an abundant number, since it is smaller than the sum of its proper divisors (272638156).

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

247530164 is a wasteful number, since it uses less digits than its factorization.

247530164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40788 (or 40779 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 247530164 is about 15733.0913681959. The cubic root of 247530164 is about 627.8791232862.

The spelling of 247530164 in words is "two hundred forty-seven million, five hundred thirty thousand, one hundred sixty-four".