47029381 has 4 divisors (see below), whose sum is σ = 53747872. Its totient is φ = 40310892.

The previous prime is 47029379. The next prime is 47029417. The reversal of 47029381 is 18392074.

47029381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47029381 - 2¹ = 47029379 is a prime.

It is a super-2 number, since 2×47029381² = 4423525354486322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47029321) 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 3 ways as a sum of consecutive naturals, for example, 3359235 + ... + 3359248.

It is an arithmetic number, because the mean of its divisors is an integer number (13436968).

Almost surely, 2^47029381 is an apocalyptic number.

It is an amenable number.

47029381 is a deficient number, since it is larger than the sum of its proper divisors (6718491).

47029381 is an equidigital number, since it uses as much as digits as its factorization.

47029381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6718490.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 47029381 is about 6857.7970952778. The cubic root of 47029381 is about 360.9577915830.

The spelling of 47029381 in words is "forty-seven million, twenty-nine thousand, three hundred eighty-one".