47669617 has 2 divisors, whose sum is σ = 47669618. Its totient is φ = 47669616.

The previous prime is 47669603. The next prime is 47669621. The reversal of 47669617 is 71696674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36917776 + 10751841 = 6076^2 + 3279^2 .

It is a cyclic number.

It is not a de Polignac number, because 47669617 - 2²³ = 39281009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47669647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23834808 + 23834809.

It is an arithmetic number, because the mean of its divisors is an integer number (23834809).

Almost surely, 2^47669617 is an apocalyptic number.

It is an amenable number.

47669617 is a deficient number, since it is larger than the sum of its proper divisors (1).

47669617 is an equidigital number, since it uses as much as digits as its factorization.

47669617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 46.

The square root of 47669617 is about 6904.3187209166. The cubic root of 47669617 is about 362.5883846315.

The spelling of 47669617 in words is "forty-seven million, six hundred sixty-nine thousand, six hundred seventeen".