47118761 has 2 divisors, whose sum is σ = 47118762. Its totient is φ = 47118760.

The previous prime is 47118737. The next prime is 47118767. The reversal of 47118761 is 16781174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34445161 + 12673600 = 5869^2 + 3560^2 .

It is a cyclic number.

It is not a de Polignac number, because 47118761 - 2²² = 42924457 is a prime.

It is a Chen prime.

It is equal to p_2838347 and since 47118761 and 2838347 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (47118767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23559380 + 23559381.

It is an arithmetic number, because the mean of its divisors is an integer number (23559381).

Almost surely, 2^47118761 is an apocalyptic number.

It is an amenable number.

47118761 is a deficient number, since it is larger than the sum of its proper divisors (1).

47118761 is an equidigital number, since it uses as much as digits as its factorization.

47118761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 35.

The square root of 47118761 is about 6864.3106718738. The cubic root of 47118761 is about 361.1863153263.

The spelling of 47118761 in words is "forty-seven million, one hundred eighteen thousand, seven hundred sixty-one".