47447590 has 16 divisors (see below), whose sum is σ = 85503600. Its totient is φ = 18957280.

The previous prime is 47447563. The next prime is 47447593. The reversal of 47447590 is 9574474.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47447593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8736 + ... + 13084.

It is an arithmetic number, because the mean of its divisors is an integer number (5343975).

Almost surely, 2^47447590 is an apocalyptic number.

47447590 is a deficient number, since it is larger than the sum of its proper divisors (38056010).

47447590 is a wasteful number, since it uses less digits than its factorization.

47447590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5447.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 47447590 is about 6888.2211056266. The cubic root of 47447590 is about 362.0245753185.

The spelling of 47447590 in words is "forty-seven million, four hundred forty-seven thousand, five hundred ninety".