47981067 has 4 divisors (see below), whose sum is σ = 63974760. Its totient is φ = 31987376.

The previous prime is 47981039. The next prime is 47981069. The reversal of 47981067 is 76018974.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47981067 - 2⁸ = 47980811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47981069) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7996842 + ... + 7996847.

It is an arithmetic number, because the mean of its divisors is an integer number (15993690).

Almost surely, 2^47981067 is an apocalyptic number.

47981067 is a deficient number, since it is larger than the sum of its proper divisors (15993693).

47981067 is a wasteful number, since it uses less digits than its factorization.

47981067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15993692.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 47981067 is about 6926.8367239311. The cubic root of 47981067 is about 363.3763295824.

The spelling of 47981067 in words is "forty-seven million, nine hundred eighty-one thousand, sixty-seven".