47709283 has 4 divisors (see below), whose sum is σ = 48073608. Its totient is φ = 47344960.

The previous prime is 47709253. The next prime is 47709287. The reversal of 47709283 is 38290774.

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 47709283 - 2¹³ = 47701091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47709287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181966 + ... + 182227.

It is an arithmetic number, because the mean of its divisors is an integer number (12018402).

Almost surely, 2^47709283 is an apocalyptic number.

47709283 is a deficient number, since it is larger than the sum of its proper divisors (364325).

47709283 is a wasteful number, since it uses less digits than its factorization.

47709283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364324.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 47709283 is about 6907.1906734938. The cubic root of 47709283 is about 362.6889269642.

The spelling of 47709283 in words is "forty-seven million, seven hundred nine thousand, two hundred eighty-three".