47200906 has 8 divisors (see below), whose sum is σ = 70831044. Its totient is φ = 23590560.

The previous prime is 47200903. The next prime is 47200913. The reversal of 47200906 is 60900274.

It can be written as a sum of positive squares in 2 ways, for example, as 41075281 + 6125625 = 6409^2 + 2475^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (47200903) 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 3 ways as a sum of consecutive naturals, for example, 5086 + ... + 10966.

Almost surely, 2^47200906 is an apocalyptic number.

47200906 is a deficient number, since it is larger than the sum of its proper divisors (23630138).

47200906 is a wasteful number, since it uses less digits than its factorization.

47200906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9896.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 47200906 is about 6870.2915513099. The cubic root of 47200906 is about 361.3960861571.

The spelling of 47200906 in words is "forty-seven million, two hundred thousand, nine hundred six".