47297686 has 8 divisors (see below), whose sum is σ = 70980264. Its totient is φ = 23637600.

The previous prime is 47297671. The next prime is 47297713. The reversal of 47297686 is 68679274.

47297686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×47297686² = 4474142201909192, 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 3 ways as a sum of consecutive naturals, for example, 1381 + ... + 9823.

It is an arithmetic number, because the mean of its divisors is an integer number (8872533).

Almost surely, 2^47297686 is an apocalyptic number.

47297686 is a deficient number, since it is larger than the sum of its proper divisors (23682578).

47297686 is a wasteful number, since it uses less digits than its factorization.

47297686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11246.

The product of its digits is 1016064, while the sum is 49.

The square root of 47297686 is about 6877.3313138164. The cubic root of 47297686 is about 361.6429178296.

The spelling of 47297686 in words is "forty-seven million, two hundred ninety-seven thousand, six hundred eighty-six".