47490307 has 2 divisors, whose sum is σ = 47490308. Its totient is φ = 47490306.

The previous prime is 47490271. The next prime is 47490347. The reversal of 47490307 is 70309474.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47490307 is a prime.

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

It is not a weakly prime, because it can be changed into another prime (47490347) 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, 23745153 + 23745154.

It is an arithmetic number, because the mean of its divisors is an integer number (23745154).

Almost surely, 2^47490307 is an apocalyptic number.

47490307 is a deficient number, since it is larger than the sum of its proper divisors (1).

47490307 is an equidigital number, since it uses as much as digits as its factorization.

47490307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 47490307 is about 6891.3211360377. The cubic root of 47490307 is about 362.1331861400.

The spelling of 47490307 in words is "forty-seven million, four hundred ninety thousand, three hundred seven".