47471432 has 16 divisors (see below), whose sum is σ = 89112300. Its totient is φ = 23708160.

The previous prime is 47471357. The next prime is 47471449. The reversal of 47471432 is 23417474.

It can be written as a sum of positive squares in 2 ways, for example, as 47141956 + 329476 = 6866^2 + 574^2 .

It is a super-2 number, since 2×47471432² = 4507073712261248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5132 + ... + 11012.

Almost surely, 2^47471432 is an apocalyptic number.

It is an amenable number.

47471432 is a deficient number, since it is larger than the sum of its proper divisors (41640868).

47471432 is a wasteful number, since it uses less digits than its factorization.

47471432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6896 (or 6892 counting only the distinct ones).

The product of its digits is 18816, while the sum is 32.

The square root of 47471432 is about 6889.9515237772. The cubic root of 47471432 is about 362.0852032281.

The spelling of 47471432 in words is "forty-seven million, four hundred seventy-one thousand, four hundred thirty-two".