47474823 has 16 divisors (see below), whose sum is σ = 69169536. Its totient is φ = 28724640.

The previous prime is 47474821. The next prime is 47474837. The reversal of 47474823 is 32847474.

It is not a de Polignac number, because 47474823 - 2¹ = 47474821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47474821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37761 + ... + 38997.

It is an arithmetic number, because the mean of its divisors is an integer number (4323096).

Almost surely, 2^47474823 is an apocalyptic number.

47474823 is a deficient number, since it is larger than the sum of its proper divisors (21694713).

47474823 is a wasteful number, since it uses less digits than its factorization.

47474823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414.

The product of its digits is 150528, while the sum is 39.

The square root of 47474823 is about 6890.1976023914. The cubic root of 47474823 is about 362.0938245654.

The spelling of 47474823 in words is "forty-seven million, four hundred seventy-four thousand, eight hundred twenty-three".