47280775 has 12 divisors (see below), whose sum is σ = 58807000. Its totient is φ = 37709280.

The previous prime is 47280773. The next prime is 47280787. The reversal of 47280775 is 57708274.

47280775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47280775 - 2¹ = 47280773 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47280773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6016 + ... + 11434.

Almost surely, 2^47280775 is an apocalyptic number.

47280775 is a deficient number, since it is larger than the sum of its proper divisors (11526225).

47280775 is a wasteful number, since it uses less digits than its factorization.

47280775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5778 (or 5773 counting only the distinct ones).

The product of its (nonzero) digits is 109760, while the sum is 40.

The square root of 47280775 is about 6876.1017299048. The cubic root of 47280775 is about 361.5998116164.

The spelling of 47280775 in words is "forty-seven million, two hundred eighty thousand, seven hundred seventy-five".