47638275 has 24 divisors (see below), whose sum is σ = 79005360. Its totient is φ = 25328640.

The previous prime is 47638259. The next prime is 47638319. The reversal of 47638275 is 57283674.

It is not a de Polignac number, because 47638275 - 2⁴ = 47638259 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29899 + ... + 31451.

It is an arithmetic number, because the mean of its divisors is an integer number (3291890).

Almost surely, 2^47638275 is an apocalyptic number.

47638275 is a deficient number, since it is larger than the sum of its proper divisors (31367085).

47638275 is a wasteful number, since it uses less digits than its factorization.

47638275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975 (or 1970 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 47638275 is about 6902.0486089276. The cubic root of 47638275 is about 362.5089018821.

The spelling of 47638275 in words is "forty-seven million, six hundred thirty-eight thousand, two hundred seventy-five".