47238775 has 6 divisors (see below), whose sum is σ = 58576112. Its totient is φ = 37791000.

The previous prime is 47238743. The next prime is 47238791. The reversal of 47238775 is 57783274.

It is not a de Polignac number, because 47238775 - 2⁵ = 47238743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 944751 + ... + 944800.

Almost surely, 2^47238775 is an apocalyptic number.

47238775 is a deficient number, since it is larger than the sum of its proper divisors (11337337).

47238775 is a wasteful number, since it uses less digits than its factorization.

47238775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889561 (or 1889556 counting only the distinct ones).

The product of its digits is 329280, while the sum is 43.

The square root of 47238775 is about 6873.0469953289. The cubic root of 47238775 is about 361.4927089495.

The spelling of 47238775 in words is "forty-seven million, two hundred thirty-eight thousand, seven hundred seventy-five".