47496749 has 2 divisors, whose sum is σ = 47496750. Its totient is φ = 47496748.

The previous prime is 47496731. The next prime is 47496763. The reversal of 47496749 is 94769474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47472100 + 24649 = 6890^2 + 157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47496749 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 47496697 and 47496706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47496149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23748374 + 23748375.

It is an arithmetic number, because the mean of its divisors is an integer number (23748375).

Almost surely, 2^47496749 is an apocalyptic number.

It is an amenable number.

47496749 is a deficient number, since it is larger than the sum of its proper divisors (1).

47496749 is an equidigital number, since it uses as much as digits as its factorization.

47496749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 50.

The square root of 47496749 is about 6891.7885196805. The cubic root of 47496749 is about 362.1495597023.

The spelling of 47496749 in words is "forty-seven million, four hundred ninety-six thousand, seven hundred forty-nine".