47474028 has 36 divisors (see below), whose sum is σ = 137147920. Its totient is φ = 13563936.

The previous prime is 47473991. The next prime is 47474029. The reversal of 47474028 is 82047474.

47474028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 47473983 and 47474001.

It is not an unprimeable number, because it can be changed into a prime (47474029) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 93943 + ... + 94446.

Almost surely, 2^47474028 is an apocalyptic number.

It is an amenable number.

47474028 is an abundant number, since it is smaller than the sum of its proper divisors (89673892).

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

47474028 is a wasteful number, since it uses less digits than its factorization.

47474028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188406 (or 188401 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 47474028 is about 6890.1399114967. The cubic root of 47474028 is about 362.0918033805.

The spelling of 47474028 in words is "forty-seven million, four hundred seventy-four thousand, twenty-eight".