47913709 has 2 divisors, whose sum is σ = 47913710. Its totient is φ = 47913708.

The previous prime is 47913703. The next prime is 47913721. The reversal of 47913709 is 90731974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39375625 + 8538084 = 6275^2 + 2922^2 .

It is a cyclic number.

It is not a de Polignac number, because 47913709 - 2¹⁵ = 47880941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47913703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23956854 + 23956855.

It is an arithmetic number, because the mean of its divisors is an integer number (23956855).

Almost surely, 2^47913709 is an apocalyptic number.

It is an amenable number.

47913709 is a deficient number, since it is larger than the sum of its proper divisors (1).

47913709 is an equidigital number, since it uses as much as digits as its factorization.

47913709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 47913709 is about 6921.9729124000. The cubic root of 47913709 is about 363.2062085539.

The spelling of 47913709 in words is "forty-seven million, nine hundred thirteen thousand, seven hundred nine".