47279375 has 60 divisors (see below), whose sum is σ = 72558024. Its totient is φ = 30360000.

The previous prime is 47279357. The next prime is 47279383. The reversal of 47279375 is 57397274.

It is a Cunningham number, because it is equal to 6876²-1.

It is not a de Polignac number, because 47279375 - 2⁶ = 47279311 is a prime.

Its product of digits (370440) is a multiple of the sum of its prime factors (90).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2055614 + ... + 2055636.

Almost surely, 2^47279375 is an apocalyptic number.

47279375 is a deficient number, since it is larger than the sum of its proper divisors (25278649).

47279375 is a wasteful number, since it uses less digits than its factorization.

47279375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 52 counting only the distinct ones).

The product of its digits is 370440, while the sum is 44.

The square root of 47279375 is about 6875.9999272833. Note that the first 4 decimals coincide. The cubic root of 47279375 is about 361.5962425496.

The spelling of 47279375 in words is "forty-seven million, two hundred seventy-nine thousand, three hundred seventy-five".