47651432 has 8 divisors (see below), whose sum is σ = 89346450. Its totient is φ = 23825712.

The previous prime is 47651341. The next prime is 47651447. The reversal of 47651432 is 23415674.

47651432 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., 28238596 + 19412836 = 5314^2 + 4406^2 .

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

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 as a sum of consecutive naturals, namely, 2978207 + ... + 2978222.

Almost surely, 2^47651432 is an apocalyptic number.

It is an amenable number.

47651432 is a deficient number, since it is larger than the sum of its proper divisors (41695018).

47651432 is a wasteful number, since it uses less digits than its factorization.

47651432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5956435 (or 5956431 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 47651432 is about 6903.0016659421. The cubic root of 47651432 is about 362.5422720422.

The spelling of 47651432 in words is "forty-seven million, six hundred fifty-one thousand, four hundred thirty-two".