47147275 has 12 divisors (see below), whose sum is σ = 66814672. Its totient is φ = 32329440.

The previous prime is 47147231. The next prime is 47147299. The reversal of 47147275 is 57274174.

It is not a de Polignac number, because 47147275 - 2¹¹ = 47145227 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134532 + ... + 134881.

Almost surely, 2^47147275 is an apocalyptic number.

47147275 is a deficient number, since it is larger than the sum of its proper divisors (19667397).

47147275 is a wasteful number, since it uses less digits than its factorization.

47147275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269430 (or 269425 counting only the distinct ones).

The product of its digits is 54880, while the sum is 37.

The square root of 47147275 is about 6866.3873325061. The cubic root of 47147275 is about 361.2591581432.

The spelling of 47147275 in words is "forty-seven million, one hundred forty-seven thousand, two hundred seventy-five".