47431372 has 12 divisors (see below), whose sum is σ = 87373720. Its totient is φ = 22467456.

The previous prime is 47431369. The next prime is 47431381. The reversal of 47431372 is 27313474.

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, 311973 + ... + 312124.

Almost surely, 2^47431372 is an apocalyptic number.

It is an amenable number.

47431372 is a deficient number, since it is larger than the sum of its proper divisors (39942348).

47431372 is a wasteful number, since it uses less digits than its factorization.

47431372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624120 (or 624118 counting only the distinct ones).

The product of its digits is 14112, while the sum is 31.

The square root of 47431372 is about 6887.0437779936. The cubic root of 47431372 is about 361.9833228991.

The spelling of 47431372 in words is "forty-seven million, four hundred thirty-one thousand, three hundred seventy-two".