47442407 has 2 divisors, whose sum is σ = 47442408. Its totient is φ = 47442406.

The previous prime is 47442401. The next prime is 47442497. The reversal of 47442407 is 70424474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47442407 - 2⁸ = 47442151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47442401) 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, 23721203 + 23721204.

It is an arithmetic number, because the mean of its divisors is an integer number (23721204).

Almost surely, 2^47442407 is an apocalyptic number.

47442407 is a deficient number, since it is larger than the sum of its proper divisors (1).

47442407 is an equidigital number, since it uses as much as digits as its factorization.

47442407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25088, while the sum is 32.

The square root of 47442407 is about 6887.8448733984. The cubic root of 47442407 is about 362.0113927613.

The spelling of 47442407 in words is "forty-seven million, four hundred forty-two thousand, four hundred seven".