47227473 has 12 divisors (see below), whose sum is σ = 68347188. Its totient is φ = 31425120.

The previous prime is 47227463. The next prime is 47227493. The reversal of 47227473 is 37472274.

It can be written as a sum of positive squares in 2 ways, for example, as 9072144 + 38155329 = 3012^2 + 6177^2 .

It is not a de Polignac number, because 47227473 - 2⁶ = 47227409 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (47227403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303 + ... + 9723.

It is an arithmetic number, because the mean of its divisors is an integer number (5695599).

Almost surely, 2^47227473 is an apocalyptic number.

It is an amenable number.

47227473 is a deficient number, since it is larger than the sum of its proper divisors (21119715).

47227473 is a wasteful number, since it uses less digits than its factorization.

47227473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9984 (or 9981 counting only the distinct ones).

The product of its digits is 65856, while the sum is 36.

The square root of 47227473 is about 6872.2247489441. The cubic root of 47227473 is about 361.4638772925.

The spelling of 47227473 in words is "forty-seven million, two hundred twenty-seven thousand, four hundred seventy-three".