47900205 has 24 divisors (see below), whose sum is σ = 83243160. Its totient is φ = 25480320.

The previous prime is 47900201. The next prime is 47900231. The reversal of 47900205 is 50200974.

It can be written as a sum of positive squares in 4 ways, for example, as 7717284 + 40182921 = 2778^2 + 6339^2 .

It is not a de Polignac number, because 47900205 - 2² = 47900201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47900201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19591 + ... + 21899.

It is an arithmetic number, because the mean of its divisors is an integer number (3468465).

Almost surely, 2^47900205 is an apocalyptic number.

47900205 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47900205 is a deficient number, since it is larger than the sum of its proper divisors (35342955).

47900205 is a wasteful number, since it uses less digits than its factorization.

47900205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781 (or 2778 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 47900205 is about 6920.9973992193. The cubic root of 47900205 is about 363.1720833345.

The spelling of 47900205 in words is "forty-seven million, nine hundred thousand, two hundred five".