47760649 has 2 divisors, whose sum is σ = 47760650. Its totient is φ = 47760648.

The previous prime is 47760637. The next prime is 47760653. The reversal of 47760649 is 94606774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40551424 + 7209225 = 6368^2 + 2685^2 .

It is a cyclic number.

It is not a de Polignac number, because 47760649 - 2⁷ = 47760521 is a prime.

It is not a weakly prime, because it can be changed into another prime (47760619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23880324 + 23880325.

It is an arithmetic number, because the mean of its divisors is an integer number (23880325).

Almost surely, 2^47760649 is an apocalyptic number.

It is an amenable number.

47760649 is a deficient number, since it is larger than the sum of its proper divisors (1).

47760649 is an equidigital number, since it uses as much as digits as its factorization.

47760649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 47760649 is about 6910.9079721843. The cubic root of 47760649 is about 362.8190427846.

The spelling of 47760649 in words is "forty-seven million, seven hundred sixty thousand, six hundred forty-nine".