47216590 has 8 divisors (see below), whose sum is σ = 84989880. Its totient is φ = 18886632.

The previous prime is 47216581. The next prime is 47216597. The reversal of 47216590 is 9561274.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47216597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2360820 + ... + 2360839.

It is an arithmetic number, because the mean of its divisors is an integer number (10623735).

Almost surely, 2^47216590 is an apocalyptic number.

47216590 is a deficient number, since it is larger than the sum of its proper divisors (37773290).

47216590 is a wasteful number, since it uses less digits than its factorization.

47216590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4721666.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 47216590 is about 6871.4328927815. The cubic root of 47216590 is about 361.4361101665.

It can be divided in two parts, 4721 and 6590, that added together give a palindrome (11311).

The spelling of 47216590 in words is "forty-seven million, two hundred sixteen thousand, five hundred ninety".