47478380 has 12 divisors (see below), whose sum is σ = 99704640. Its totient is φ = 18991344.

The previous prime is 47478377. The next prime is 47478401. The reversal of 47478380 is 8387474.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 1186940 + ... + 1186979.

It is an arithmetic number, because the mean of its divisors is an integer number (8308720).

Almost surely, 2^47478380 is an apocalyptic number.

It is an amenable number.

47478380 is an abundant number, since it is smaller than the sum of its proper divisors (52226260).

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

47478380 is a wasteful number, since it uses less digits than its factorization.

47478380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373928 (or 2373926 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 47478380 is about 6890.4557178753. The cubic root of 47478380 is about 362.1028675029.

The spelling of 47478380 in words is "forty-seven million, four hundred seventy-eight thousand, three hundred eighty".