47478266 has 8 divisors (see below), whose sum is σ = 77691744. Its totient is φ = 21581020.

The previous prime is 47478259. The next prime is 47478269. The reversal of 47478266 is 66287474.

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

It is not an unprimeable number, because it can be changed into a prime (47478269) 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, 1079030 + ... + 1079073.

It is an arithmetic number, because the mean of its divisors is an integer number (9711468).

Almost surely, 2^47478266 is an apocalyptic number.

47478266 is a deficient number, since it is larger than the sum of its proper divisors (30213478).

47478266 is a wasteful number, since it uses less digits than its factorization.

47478266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158116.

The product of its digits is 451584, while the sum is 44.

The square root of 47478266 is about 6890.4474455582. The cubic root of 47478266 is about 362.1025776885.

The spelling of 47478266 in words is "forty-seven million, four hundred seventy-eight thousand, two hundred sixty-six".