47743669 has 2 divisors, whose sum is σ = 47743670. Its totient is φ = 47743668.

The previous prime is 47743649. The next prime is 47743711. The reversal of 47743669 is 96634774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35402500 + 12341169 = 5950^2 + 3513^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47743669 is a prime.

It is a super-2 number, since 2×47743669² = 4558915859163122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47743649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23871834 + 23871835.

It is an arithmetic number, because the mean of its divisors is an integer number (23871835).

Almost surely, 2^47743669 is an apocalyptic number.

It is an amenable number.

47743669 is a deficient number, since it is larger than the sum of its proper divisors (1).

47743669 is an equidigital number, since it uses as much as digits as its factorization.

47743669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 46.

The square root of 47743669 is about 6909.6793702747. The cubic root of 47743669 is about 362.7760408733.

The spelling of 47743669 in words is "forty-seven million, seven hundred forty-three thousand, six hundred sixty-nine".