47434817 has 4 divisors (see below), whose sum is σ = 47450820. Its totient is φ = 47418816.

The previous prime is 47434799. The next prime is 47434853. The reversal of 47434817 is 71843474.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3225616 + 44209201 = 1796^2 + 6649^2 .

It is a cyclic number.

It is not a de Polignac number, because 47434817 - 2⁸ = 47434561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47434897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2108 + ... + 9965.

It is an arithmetic number, because the mean of its divisors is an integer number (11862705).

Almost surely, 2^47434817 is an apocalyptic number.

It is an amenable number.

47434817 is a deficient number, since it is larger than the sum of its proper divisors (16003).

47434817 is a wasteful number, since it uses less digits than its factorization.

47434817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16002.

The product of its digits is 75264, while the sum is 38.

The square root of 47434817 is about 6887.2938807633. The cubic root of 47434817 is about 361.9920864544.

The spelling of 47434817 in words is "forty-seven million, four hundred thirty-four thousand, eight hundred seventeen".