47482309 has 16 divisors (see below), whose sum is σ = 59443200. Its totient is φ = 36981504.

The previous prime is 47482307. The next prime is 47482313. The reversal of 47482309 is 90328474.

It is a happy number.

It is not a de Polignac number, because 47482309 - 2¹ = 47482307 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 (47482307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3429 + ... + 10330.

It is an arithmetic number, because the mean of its divisors is an integer number (3715200).

Almost surely, 2^47482309 is an apocalyptic number.

It is an amenable number.

47482309 is a deficient number, since it is larger than the sum of its proper divisors (11960891).

47482309 is a wasteful number, since it uses less digits than its factorization.

47482309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13812.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 47482309 is about 6890.7408164870. The cubic root of 47482309 is about 362.1128556486.

The spelling of 47482309 in words is "forty-seven million, four hundred eighty-two thousand, three hundred nine".