47349749 has 2 divisors, whose sum is σ = 47349750. Its totient is φ = 47349748.

The previous prime is 47349737. The next prime is 47349761. The reversal of 47349749 is 94794374.

It is a balanced prime because it is at equal distance from previous prime (47349737) and next prime (47349761).

It can be written as a sum of positive squares in only one way, i.e., 41049649 + 6300100 = 6407^2 + 2510^2 .

It is a cyclic number.

It is not a de Polignac number, because 47349749 - 2⁴ = 47349733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47349719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23674874 + 23674875.

It is an arithmetic number, because the mean of its divisors is an integer number (23674875).

Almost surely, 2^47349749 is an apocalyptic number.

It is an amenable number.

47349749 is a deficient number, since it is larger than the sum of its proper divisors (1).

47349749 is an equidigital number, since it uses as much as digits as its factorization.

47349749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 47.

The square root of 47349749 is about 6881.1153892374. The cubic root of 47349749 is about 361.7755621698.

The spelling of 47349749 in words is "forty-seven million, three hundred forty-nine thousand, seven hundred forty-nine".