47044090 has 16 divisors (see below), whose sum is σ = 87599880. Its totient is φ = 18168640.

The previous prime is 47044087. The next prime is 47044091. The reversal of 47044090 is 9044074.

It can be written as a sum of positive squares in 4 ways, for example, as 41563809 + 5480281 = 6447^2 + 2341^2 .

It is not an unprimeable number, because it can be changed into a prime (47044091) 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 7 ways as a sum of consecutive naturals, for example, 80821 + ... + 81400.

Almost surely, 2^47044090 is an apocalyptic number.

47044090 is a deficient number, since it is larger than the sum of its proper divisors (40555790).

47044090 is a wasteful number, since it uses less digits than its factorization.

47044090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162257.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 47044090 is about 6858.8694403670. The cubic root of 47044090 is about 360.9954189457.

The spelling of 47044090 in words is "forty-seven million, forty-four thousand, ninety".