47808474 has 32 divisors (see below), whose sum is σ = 109486080. Its totient is φ = 13633392.

The previous prime is 47808469. The next prime is 47808499. The reversal of 47808474 is 47480874.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35587 + ... + 36905.

It is an arithmetic number, because the mean of its divisors is an integer number (3421440).

Almost surely, 2^47808474 is an apocalyptic number.

47808474 is an abundant number, since it is smaller than the sum of its proper divisors (61677606).

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

47808474 is a wasteful number, since it uses less digits than its factorization.

47808474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194.

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

The square root of 47808474 is about 6914.3672161666. The cubic root of 47808474 is about 362.9401050159.

The spelling of 47808474 in words is "forty-seven million, eight hundred eight thousand, four hundred seventy-four".