47282478 has 8 divisors (see below), whose sum is σ = 94564968. Its totient is φ = 15760824.

The previous prime is 47282461. The next prime is 47282483. The reversal of 47282478 is 87428274.

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

47282478 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3940201 + ... + 3940212.

It is an arithmetic number, because the mean of its divisors is an integer number (11820621).

Almost surely, 2^47282478 is an apocalyptic number.

47282478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

47282478 is a wasteful number, since it uses less digits than its factorization.

47282478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7880418.

The product of its digits is 200704, while the sum is 42.

The square root of 47282478 is about 6876.2255634905. The cubic root of 47282478 is about 361.6041530363.

The spelling of 47282478 in words is "forty-seven million, two hundred eighty-two thousand, four hundred seventy-eight".