47432749 has 16 divisors (see below), whose sum is σ = 58705920. Its totient is φ = 37319040.

The previous prime is 47432747. The next prime is 47432753. The reversal of 47432749 is 94723474.

47432749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 47432749 - 2¹ = 47432747 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47432747) 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 15 ways as a sum of consecutive naturals, for example, 16017 + ... + 18745.

It is an arithmetic number, because the mean of its divisors is an integer number (3669120).

Almost surely, 2^47432749 is an apocalyptic number.

It is an amenable number.

47432749 is a deficient number, since it is larger than the sum of its proper divisors (11273171).

47432749 is a wasteful number, since it uses less digits than its factorization.

47432749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940.

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

The square root of 47432749 is about 6887.1437475923. The cubic root of 47432749 is about 361.9868258283.

The spelling of 47432749 in words is "forty-seven million, four hundred thirty-two thousand, seven hundred forty-nine".