47040787 has 4 divisors (see below), whose sum is σ = 47636320. Its totient is φ = 46445256.

The previous prime is 47040781. The next prime is 47040809. The reversal of 47040787 is 78704074.

47040787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47040787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47040781) 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 3 ways as a sum of consecutive naturals, for example, 297648 + ... + 297805.

It is an arithmetic number, because the mean of its divisors is an integer number (11909080).

Almost surely, 2^47040787 is an apocalyptic number.

47040787 is a deficient number, since it is larger than the sum of its proper divisors (595533).

47040787 is an equidigital number, since it uses as much as digits as its factorization.

47040787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595532.

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 47040787 is about 6858.6286530180. The cubic root of 47040787 is about 360.9869701638.

The spelling of 47040787 in words is "forty-seven million, forty thousand, seven hundred eighty-seven".