47090287 has 8 divisors (see below), whose sum is σ = 49752000. Its totient is φ = 44497824.

The previous prime is 47090279. The next prime is 47090291. The reversal of 47090287 is 78209074.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 47090287 - 2³ = 47090279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47090257) 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, 15912 + ... + 18637.

It is an arithmetic number, because the mean of its divisors is an integer number (6219000).

Almost surely, 2^47090287 is an apocalyptic number.

47090287 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

47090287 is a deficient number, since it is larger than the sum of its proper divisors (2661713).

47090287 is a wasteful number, since it uses less digits than its factorization.

47090287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34625.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 47090287 is about 6862.2362973013. The cubic root of 47090287 is about 361.1135453634.

The spelling of 47090287 in words is "forty-seven million, ninety thousand, two hundred eighty-seven".