47539432 has 8 divisors (see below), whose sum is σ = 89136450. Its totient is φ = 23769712.

The previous prime is 47539417. The next prime is 47539433. The reversal of 47539432 is 23493574.

47539432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 31427236 + 16112196 = 5606^2 + 4014^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 47539391 and 47539400.

It is not an unprimeable number, because it can be changed into a prime (47539433) 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 as a sum of consecutive naturals, namely, 2971207 + ... + 2971222.

Almost surely, 2^47539432 is an apocalyptic number.

It is an amenable number.

47539432 is a deficient number, since it is larger than the sum of its proper divisors (41597018).

47539432 is a wasteful number, since it uses less digits than its factorization.

47539432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5942435 (or 5942431 counting only the distinct ones).

The product of its digits is 90720, while the sum is 37.

The square root of 47539432 is about 6894.8844805406. The cubic root of 47539432 is about 362.2580092415.

The spelling of 47539432 in words is "forty-seven million, five hundred thirty-nine thousand, four hundred thirty-two".