47346981 has 8 divisors (see below), whose sum is σ = 68868384. Its totient is φ = 28695120.

The previous prime is 47346941. The next prime is 47347019. The reversal of 47346981 is 18964374.

47346981 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 not a de Polignac number, because 47346981 - 2⁹ = 47346469 is a prime.

It is a super-2 number, since 2×47346981² = 4483473219628722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47346911) by changing a digit.

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, 717346 + ... + 717411.

It is an arithmetic number, because the mean of its divisors is an integer number (8608548).

Almost surely, 2^47346981 is an apocalyptic number.

It is an amenable number.

47346981 is a deficient number, since it is larger than the sum of its proper divisors (21521403).

47346981 is a wasteful number, since it uses less digits than its factorization.

47346981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434771.

The product of its digits is 145152, while the sum is 42.

The square root of 47346981 is about 6880.9142561145. The cubic root of 47346981 is about 361.7685124016.

The spelling of 47346981 in words is "forty-seven million, three hundred forty-six thousand, nine hundred eighty-one".