34421047 has 4 divisors (see below), whose sum is σ = 34474896. Its totient is φ = 34367200.

The previous prime is 34421029. The next prime is 34421071. The reversal of 34421047 is 74012443.

34421047 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.

It is a cyclic number.

It is not a de Polignac number, because 34421047 - 2¹⁵ = 34388279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34421077) 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, 25954 + ... + 27247.

It is an arithmetic number, because the mean of its divisors is an integer number (8618724).

Almost surely, 2^34421047 is an apocalyptic number.

34421047 is a deficient number, since it is larger than the sum of its proper divisors (53849).

34421047 is an equidigital number, since it uses as much as digits as its factorization.

34421047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53848.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 34421047 is about 5866.9452869445. The cubic root of 34421047 is about 325.2929807749.

It can be divided in two parts, 3442 and 1047, that added together give a square (4489 = 67²).

The spelling of 34421047 in words is "thirty-four million, four hundred twenty-one thousand, forty-seven".