47791490 has 16 divisors (see below), whose sum is σ = 88026048. Its totient is φ = 18671856.

The previous prime is 47791481. The next prime is 47791501. The reversal of 47791490 is 9419774.

It is a happy number.

47791490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55142 + ... + 56001.

It is an arithmetic number, because the mean of its divisors is an integer number (5501628).

Almost surely, 2^47791490 is an apocalyptic number.

47791490 is a deficient number, since it is larger than the sum of its proper divisors (40234558).

47791490 is a wasteful number, since it uses less digits than its factorization.

47791490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111193.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 47791490 is about 6913.1389397292. The cubic root of 47791490 is about 362.8971216679.

The spelling of 47791490 in words is "forty-seven million, seven hundred ninety-one thousand, four hundred ninety".