47287290 has 16 divisors (see below), whose sum is σ = 113489568. Its totient is φ = 12609936.

The previous prime is 47287271. The next prime is 47287321. The reversal of 47287290 is 9278274.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788092 + ... + 788151.

It is an arithmetic number, because the mean of its divisors is an integer number (7093098).

Almost surely, 2^47287290 is an apocalyptic number.

47287290 is an abundant number, since it is smaller than the sum of its proper divisors (66202278).

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

47287290 is a wasteful number, since it uses less digits than its factorization.

47287290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576253.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 47287290 is about 6876.5754558501. The cubic root of 47287290 is about 361.6164195970.

The spelling of 47287290 in words is "forty-seven million, two hundred eighty-seven thousand, two hundred ninety".