47271964 has 12 divisors (see below), whose sum is σ = 84650104. Its totient is φ = 23086224.

The previous prime is 47271949. The next prime is 47271971. The reversal of 47271964 is 46917274.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 137247 + ... + 137590.

Almost surely, 2^47271964 is an apocalyptic number.

It is an amenable number.

47271964 is a deficient number, since it is larger than the sum of its proper divisors (37378140).

47271964 is a wasteful number, since it uses less digits than its factorization.

47271964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274884 (or 274882 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 47271964 is about 6875.4610027256. The cubic root of 47271964 is about 361.5773482658.

The spelling of 47271964 in words is "forty-seven million, two hundred seventy-one thousand, nine hundred sixty-four".