47688090 has 32 divisors (see below), whose sum is σ = 114635520. Its totient is φ = 12696384.

The previous prime is 47688089. The next prime is 47688097. The reversal of 47688090 is 9088674.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (47688097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31327 + ... + 32813.

It is an arithmetic number, because the mean of its divisors is an integer number (3582360).

Almost surely, 2^47688090 is an apocalyptic number.

47688090 is an abundant number, since it is smaller than the sum of its proper divisors (66947430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47688090 is a wasteful number, since it uses less digits than its factorization.

47688090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 47688090 is about 6905.6563772027. The cubic root of 47688090 is about 362.6352155105.

The spelling of 47688090 in words is "forty-seven million, six hundred eighty-eight thousand, ninety".