47747132 has 12 divisors (see below), whose sum is σ = 83630736. Its totient is φ = 23852640.

The previous prime is 47747129. The next prime is 47747197. The reversal of 47747132 is 23174774.

It is a happy number.

It is a super-2 number, since 2×47747132² = 4559577228450848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47747092 and 47747101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632 + ... + 9792.

It is an arithmetic number, because the mean of its divisors is an integer number (6969228).

Almost surely, 2^47747132 is an apocalyptic number.

It is an amenable number.

47747132 is a deficient number, since it is larger than the sum of its proper divisors (35883604).

47747132 is a wasteful number, since it uses less digits than its factorization.

47747132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10468 (or 10466 counting only the distinct ones).

The product of its digits is 32928, while the sum is 35.

The square root of 47747132 is about 6909.9299562297. The cubic root of 47747132 is about 362.7848117609.

The spelling of 47747132 in words is "forty-seven million, seven hundred forty-seven thousand, one hundred thirty-two".