47209001 has 12 divisors (see below), whose sum is σ = 56689920. Its totient is φ = 39158280.

The previous prime is 47208991. The next prime is 47209033. The reversal of 47209001 is 10090274.

It is not a de Polignac number, because 47209001 - 2¹⁴ = 47192617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47209301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14021 + ... + 17058.

It is an arithmetic number, because the mean of its divisors is an integer number (4724160).

Almost surely, 2^47209001 is an apocalyptic number.

It is an amenable number.

47209001 is a deficient number, since it is larger than the sum of its proper divisors (9480919).

47209001 is a wasteful number, since it uses less digits than its factorization.

47209001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31124 (or 31117 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 47209001 is about 6870.8806568008. The cubic root of 47209001 is about 361.4167448996.

Adding to 47209001 its reverse (10090274), we get a palindrome (57299275).

The spelling of 47209001 in words is "forty-seven million, two hundred nine thousand, one".