47742232 has 32 divisors (see below), whose sum is σ = 92851200. Its totient is φ = 22989600.

The previous prime is 47742209. The next prime is 47742259. The reversal of 47742232 is 23224774.

47742232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 47742194 and 47742203.

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 7 ways as a sum of consecutive naturals, for example, 76819 + ... + 77437.

It is an arithmetic number, because the mean of its divisors is an integer number (2901600).

Almost surely, 2^47742232 is an apocalyptic number.

It is an amenable number.

47742232 is a deficient number, since it is larger than the sum of its proper divisors (45108968).

47742232 is a wasteful number, since it uses less digits than its factorization.

47742232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967 (or 963 counting only the distinct ones).

The product of its digits is 18816, while the sum is 31.

The square root of 47742232 is about 6909.5753849278. The cubic root of 47742232 is about 362.7724011977.

It can be divided in two parts, 4774223 and 2, that added together give a square (4774225 = 2185²).

The spelling of 47742232 in words is "forty-seven million, seven hundred forty-two thousand, two hundred thirty-two".