47474392 has 128 divisors (see below), whose sum is σ = 116121600. Its totient is φ = 17740800.

The previous prime is 47474389. The next prime is 47474417. The reversal of 47474392 is 29347474.

47474392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1157892 + ... + 1157932.

It is an arithmetic number, because the mean of its divisors is an integer number (907200).

Almost surely, 2^47474392 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 47474392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58060800).

47474392 is an abundant number, since it is smaller than the sum of its proper divisors (68647208).

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

47474392 is a wasteful number, since it uses less digits than its factorization.

47474392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 133 counting only the distinct ones).

The product of its digits is 169344, while the sum is 40.

The square root of 47474392 is about 6890.1663260040. The cubic root of 47474392 is about 362.0927288063.

The spelling of 47474392 in words is "forty-seven million, four hundred seventy-four thousand, three hundred ninety-two".