47126689 has 2 divisors, whose sum is σ = 47126690. Its totient is φ = 47126688.

The previous prime is 47126659. The next prime is 47126719. The reversal of 47126689 is 98662174.

It is a balanced prime because it is at equal distance from previous prime (47126659) and next prime (47126719).

It can be written as a sum of positive squares in only one way, i.e., 31979025 + 15147664 = 5655^2 + 3892^2 .

It is a cyclic number.

It is not a de Polignac number, because 47126689 - 2⁷ = 47126561 is a prime.

It is a super-2 number, since 2×47126689² = 4441849632205442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47126659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23563344 + 23563345.

It is an arithmetic number, because the mean of its divisors is an integer number (23563345).

Almost surely, 2^47126689 is an apocalyptic number.

It is an amenable number.

47126689 is a deficient number, since it is larger than the sum of its proper divisors (1).

47126689 is an equidigital number, since it uses as much as digits as its factorization.

47126689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 47126689 is about 6864.8881272749. Note that the first 3 decimals coincide. The cubic root of 47126689 is about 361.2065714088.

It can be divided in two parts, 47 and 126689, that added together give a square (126736 = 356²).

The spelling of 47126689 in words is "forty-seven million, one hundred twenty-six thousand, six hundred eighty-nine".