47756489 has 8 divisors (see below), whose sum is σ = 52411968. Its totient is φ = 43153360.

The previous prime is 47756479. The next prime is 47756491. The reversal of 47756489 is 98465774.

47756489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47756489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47756459) 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 7 ways as a sum of consecutive naturals, for example, 11162 + ... + 14835.

It is an arithmetic number, because the mean of its divisors is an integer number (6551496).

Almost surely, 2^47756489 is an apocalyptic number.

It is an amenable number.

47756489 is a deficient number, since it is larger than the sum of its proper divisors (4655479).

47756489 is a wasteful number, since it uses less digits than its factorization.

47756489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26175.

The product of its digits is 1693440, while the sum is 50.

The square root of 47756489 is about 6910.6069921534. The cubic root of 47756489 is about 362.8085085124.

The spelling of 47756489 in words is "forty-seven million, seven hundred fifty-six thousand, four hundred eighty-nine".