47009407 has 2 divisors, whose sum is σ = 47009408. Its totient is φ = 47009406.

The previous prime is 47009399. The next prime is 47009419. The reversal of 47009407 is 70490074.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47009407 - 2³ = 47009399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47009497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23504703 + 23504704.

It is an arithmetic number, because the mean of its divisors is an integer number (23504704).

Almost surely, 2^47009407 is an apocalyptic number.

47009407 is a deficient number, since it is larger than the sum of its proper divisors (1).

47009407 is an equidigital number, since it uses as much as digits as its factorization.

47009407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 47009407 is about 6856.3406420626. The cubic root of 47009407 is about 360.9066831644.

The spelling of 47009407 in words is "forty-seven million, nine thousand, four hundred seven".