47942681 has 8 divisors (see below), whose sum is σ = 50561280. Its totient is φ = 45333648.

The previous prime is 47942659. The next prime is 47942707. The reversal of 47942681 is 18624974.

47942681 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 cyclic number.

It is not a de Polignac number, because 47942681 - 2¹⁸ = 47680537 is a prime.

It is a super-2 number, since 2×47942681² = 4597001322935522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47942611) 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, 9455 + ... + 13611.

It is an arithmetic number, because the mean of its divisors is an integer number (6320160).

Almost surely, 2^47942681 is an apocalyptic number.

It is an amenable number.

47942681 is a deficient number, since it is larger than the sum of its proper divisors (2618599).

47942681 is a wasteful number, since it uses less digits than its factorization.

47942681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4783.

The product of its digits is 96768, while the sum is 41.

The square root of 47942681 is about 6924.0653520890. The cubic root of 47942681 is about 363.2794004807.

The spelling of 47942681 in words is "forty-seven million, nine hundred forty-two thousand, six hundred eighty-one".