47474856 has 256 divisors, whose sum is σ = 163296000. Its totient is φ = 12579840.

The previous prime is 47474837. The next prime is 47474879. The reversal of 47474856 is 65847474.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 895726 + ... + 895778.

It is an arithmetic number, because the mean of its divisors is an integer number (637875).

Almost surely, 2^47474856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47474856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81648000).

47474856 is an abundant number, since it is smaller than the sum of its proper divisors (115821144).

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

47474856 is a wasteful number, since it uses less digits than its factorization.

47474856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 111 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The square root of 47474856 is about 6890.1999970973. The cubic root of 47474856 is about 362.0939084632.

The spelling of 47474856 in words is "forty-seven million, four hundred seventy-four thousand, eight hundred fifty-six".